Full Changelog
v11.2.0
October 09, 2026
* New: Analog signals with 0-5 V, 1-5 V and 2-10 V ranges
* New: Added type C and A thermocouples
* New: Added SI prefixes ronna, quetta, ronto and quecto
* Fix: In the IEC current-carrying capacity calculation, buried installations (D1/D2) now use the derating factors from tables B.52.18 and B.52.19
* Fix: CEI cable sizing and cable temperature for spaced single-core cables (installation methods 13–16)
* Fix: NEC and CEC calculations now apply the rules for grouped conductors, parallel conductors and small conductor protection
* Fix: Voltage drop with distributed loads in three-phase and two-phase (also in cable sizing)
* Fix: CEC cable-protection coordination: in free air the 70%/85% limit applies to conductors only (Rule 8-104)
* Fix: Design current: efficiency and voltage always applied, loads and power kept when rotating the screen
* Fix: Conduit and trunking sizing: cables are no longer lost when switching standard or rotating the screen, and CEC sizes from 500 kcmil now match the tables
* Fix: Cable sizes no longer reset to 1.5 mm² on tablets or right after rotating the screen
* Fix: Minimum Isc and maximum length: B/C/D magnetic trip thresholds and parallel conductors
* Fix: Correct resistor colors for 8.2 Ω and other standard values, and the standard values table no longer shows 8.19 Ω
* Fix: Motor calculations and design current: efficiency is no longer applied to power in VA and var
* Fix: Correct busbar ampacity with temperature rise above 30 °C and with painted bars wider than 50 mm
* Fix: Busbar ampacity: the suggested spacing is the bar thickness, with its unit of measure
* Fix: SMD resistor and capacitor codes: invalid codes now show an error instead of a wrong value
* Fix: Improved capacitor code decoding: voltages, tolerances and new formats
* Fix: Conversion accuracy
* Fix: Bare conductor ampacity: no crash when changing installation method (CEI), correct copper sizes (CEC) and temperature factors (NEC)
* Fix: Specific energy K²S²: correct IEC values for PVC above 300 mm²
* Fix: Parallel impedance: the correct value is now calculated
* Fix: Power factor correction: correct capacitance when the capacitor rated voltage differs from the supply voltage
* Fix: Earthing system: mesh calculated from sides a and b
* Fix: Correct power losses with distributed loads
* Fix: Fuses: 4-band code per IEC 60127 and corrected data for Neozed, NH and automotive fuses
* Fix: LED resistor: in parallel the value is calculated for each LED as shown in the diagram
* Fix: Battery life: correct runtime with depth of discharge below 100%
* Fix: CCTV: storage and bandwidth in SI units (decimal GB/TB and Mbit/s), added AV1 and up to 60 fps
* Fix: Temperature sensors: corrected type K thermocouple voltage, PT/CU temperatures below 0 °C and entry of negative voltages
* Fix: Joule effect: time accepts decimals
* Fix: Single-phase motor run capacitor calculation
* Fix: Motor NEC FLC now matches the tables at 230/460 V and at 120/240/480 V system voltages
* Fix: AWG table up to 2000 kcmil, more accurate SWG diameters and corrected imperial/metric comparison
* Fix: Angle and RPM conversions: no more 60'' seconds, radius required for linear speed
* Fix: Corrected E192 standard values and Class G fuse voltage; added battery fuses (IEC 60269-7)
* Fix: Resistivity table: corrected nickel, zinc, constantan and nichrome values
* Fix: Cable dimensions and weight: wrong diameters and weights corrected
* Fix: Degree of protection: IP digit 0 is back (IP20, IP40…), IK01 = 0.14 J and NEMA → IP equivalents per NEMA 250
* Fix: ATEX marking: added current protection codes; ethanol in group IIB
* Fix: Correct names in CCTV resolutions
* Fix: Electricity around the world: removed obsolete 110/127 V networks and corrected the sockets of several countries
* Fix: C-Form sockets: correct voltages for 5-pin sockets and poles for 12h sockets
* Fix: NEMA connectors: three-phase series now shown (3Ø 250 V, 3ØY 120/208 V)
* Fix: Wiring color codes: IEC DC negative conductor is white (IEC 60445:2021)
* Fix: EV connectors: Tesla connector is now NACS (SAE J3400) for North America
* Fix: Units of measure: coulomb as unit of electric charge, N·m symbol and "degree Celsius"
* Fix: Pipe diameters: ⅛" size display corrected
* Fix: Two-speed motor diagrams (6, 9 and 12 terminals) and new constant-power Dahlander
* Fix: Short-circuit current with transformer substation (IEC 60909-0) and updated short-circuit voltages (IEC 60076-5)
* Fix: Inductor code: tolerance B corrected to ±0.1 nH and L to ±0.01%
* Fix: After a search the tab bar remained hidden
* Fix: The widget could not be added when the app process was not running
* Fix: Minor bug fix
v11.1.2
August 24, 2026
* Mod: Improved license management
* Fix: Late init property in "RCA Color Code"
* Fix: Conduit filling ignored in "Conduit and cable tray sizing IEC/CEI"
* Mod: Improved some translations
* Fix: ActivityDetail closed by itself on foldables
* Fix: Minor bug fix
v11.1.1
July 20, 2026
* Mod: Updated images of sockets around the world
* Mod: Improved chatbot support and moved to a more visible position
* Fix: Destroy unused native ads
* Mod: Removed the translation tool
v11.1.0
July 04, 2026
* Mod: Native ads instead of interstitials
* Mod: Improved some results layouts
* Mod: Thorough review of translations
* Mod: Improved chatbot support and moved to a more visible position
* Fix: Crash in calculating maximum cable length with AWG/kcmil size
* Fix: Main page launched twice
* Fix: L- wire nomenclature (Morocco DC)
* Fix: Minor bug fix
v11.0.7
May 06, 2026
* Fix: Interstitial interval
v11.0.6
May 05, 2026
* Mod: Differentiation between HP (Imperial Horsepower) and CV (Metric Horsepower)
* Fix: Checking the ampacity when calculating the maximum cable length with voltage drop
* Fix: Crash when printing or creating a PDF with tripping curves
* Fix: The application session is restarted if the process is terminated
* Fix: Crash on main page when dialogs with finished activity are shown
* Fix: Minor bug fix
* Mod: GMA next gen for ads
v11.0.5
March 03, 2026
* Mod: Improved calculation of the bars ampacity
* Mod: Improved IEC protection device selection when using fuses with rated current less than 16A
* Add: Guide on safe operating currents for circuit breakers and fuses
* Add: Support for IEC circuit breakers up to 6300A
* Mod: Single power factor in settings
* Fix: Crash when starting printing from an invalid fragment
* Fix: Get APK path on some devices
* Upd: Arabic language (by Abd Al Aziz)
* Upd: General update of the languages
v11.0.4
January 12, 2026
* Add: Full compatibility with Android 16 (SDK 36)
* Imp: The standard is automatically selected (when possible)
* Imp: Together with the type of installation, the type of cable (single-core / multi-core) is also shown
* Fix: Returning the correct pose type (IEC/CEI) to the fragment
* Fix: Invalid context error when getting license from a fragment
* Fix: Minor bug fix
* Upd: Chatbot model updated to Gemini 2.5
* Upd: Russian language (by Djek-Energetik)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: General update of the languages
v11.0.3.1
November 05, 2025
* Fix: Fixed a bug in the wire size display when calculating IEC conduit filling
v11.0.3
November 04, 2025
* Mod: Improved data (size and weight) for CEI, IEC, and harmonized cables
* Mod: Channel fill calculation now fully supports the CEI standard
* Upd: Macedonian language (by Dragančo Velkov)
* Fix: Minor bug fix
* Upd: Updated some external libraries
v11.0.2
September 29, 2025
* Fix: Crash when scrolling through installation types
* ReFix: Crash on some foldable devices
* Upd: General update of the languages
v11.0.1
September 22, 2025
* Fix: Updating of available wire sizes based on the type of installation when choosing the CEI protection device
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Russian language (by Djek-Energetik)
* Upd: Persian language (by Sajad Sahragard)
* Upd: General update of the languages
v11.0.0
September 15, 2025
* New: The app now supports CEI standards in addition to the international IEC ones
* New: Voltage drop calculation with equally distributed loads
* New: Wire size calculation with equally distributed loads
* New: Possibility to select 4 loaded conductors in the current carrying capacity calculation
* Add: More IEC installation methods
* Mod: Improved ground resistance calculation
* Mod: Copper resistivity is now set to 0.01851 Ω*mm²/m for short-circuit current calculations
* Fix: English language selection
* Fix: Ads volume
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Hamad Houcine and هزيم الرعد)
* Upd: Simplified Chinese language (by Jeven)
* Upd: Romanian language (by Pătrașcu Laurențiu)
v10.5.1
July 14, 2025
* Mod: Minor graphical improvements
* Fix: Crash on some foldable devices
* Upd: General update of the languages
v10.5.0
June 23, 2025
* New: Calculation of the maximum length of the cable protected from short-circuit
* New: Device acronyms
* Mod: The default load surcharge is now set to 0% to avoid oversizing the cable
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
v10.4.3.1
June 12, 2025
* Fix: Removed an incomplete calculation
v10.4.3
June 11, 2025
* Upd: The guide is now also translated into other languages
v10.4.2
May 26, 2025
* Upd: Updated some external libraries
* Upd: Tamil language (by Tamizharasan)
* Upd: Portuguese [BR] language (by Murillo Gumiero)
* Upd: Polish language (by Adamszopki)
* Upd: General update of the languages
v10.4.1
May 05, 2025
* Mod: Improved unit voltage drop table
* Mod: Improved IEC cable reactance table
* Mod: Improved cable resistance / reactance / impedance calculation
* Mod: Improved images of tripping curves
* Mod: Improved and expanded IEC electrical symbols
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Tamil language (by Tamizharasan)
* Upd: Portuguese [BR] language (by Murillo Gumiero)
* Upd: Hebrew language (by Arken)
* Upd: General update of the languages
v10.4.0
April 01, 2025
* New: Protection for emergency lighting lines
* Fix: Viewing formulas on Android 15
v10.3.1
March 18, 2025
* Fix: Installation type fragment constructor
* Mod: Improved guidance on full load current of motors (NEC)
v10.3.0
March 10, 2025
* Mod: Full compatibility with Android 15
* Mod: Layout edge-to-edge
* Add: Ability to search for installation method by name or description
* Mod: Crediting time during a plan change
* Mod: Additional languages will be downloaded separately
* Mod: Improved license captions
* Mod: Small improvements
* Mod: Migration to Gemini 2.0 for Chatbot
* Mod: The terms of service are more prominent
* Upd: Traditional Chinese language (by king)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: General update of the languages
v10.2.3
January 08, 2025
* Mod: Improved the calculation of the design current
* Upd: Updated some external libraries
v10.2.2
December 09, 2024
* Fix: Reduced neutral and protection conductors in parallel when exceeding 6000A (NEC and CEC)
* Mod: Improved purchase management
* Upd: Simplified Chinese language (by wangwei)
* Upd: Macedonian language (by Dragančo Velkov)
v10.2.1
November 29, 2024
* Fix: Minor bug fix
* Upd: General update of the languages
v10.2.0
November 25, 2024
* New: Calculation of wire size and coordination of protection device
* Add: Flowchart in wire size calculation formula
* Mod: The short-circuit cosφ is automatically displayed when setting the upstream short-circuit current
* Mod: Improved formula for selecting NEC/CEC protection device
* Mod: Improved awg/kcmil conductor resistance calculation
* Mod: The calculation of the protection device now also accepts data expressed in var
* Mod: Improved some guides
* Fix: In NEC/CEC calculations continuous loads or non-continuous loads can accept the value 0
* Fix: Reduction factor for conductors in parallel NEC/CEC
* Fix: Calculated load according to Rule 8-104 (CEC)
* Fix: File name when a file with the same name exists on the path
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Czech language (by Skipy)
* Upd: General update of the languages
v10.1.0
October 21, 2024
* New: Cable protection from short-circuit
* Mod: Improved calculation of minimum short-circuit current
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Updated some external libraries
v10.0.9
September 30, 2024
* Mod: Improved calculation of the current carrying capacity of IEC mineral insulated conductors
* Fix: Minor bug fix
* Add: Khmer language
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Spanish language (by Emill Lebron)
* Upd: Czech language (by Skipy)
* Upd: General update of the languages
v10.0.8
September 09, 2024
* Mod: The calculation of specific let-through energy has been improved
* Add: Possibility to interface with a virtual assistant before contacting us
* Upd: Added some parts in the guide
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: General update of the languages
* Fix: Restarting the app when you reset settings
* Fix: Minor bug fix
v10.0.7
August 20, 2024
* Upd: IEC insulated conductor ampacities now reach up to 1000 mm²
* Fix: Minor bug fix
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Portuguese [BR] language (by Cleone)
* Upd: Vietnamese language (by Ta La Ta)
* Upd: General update of the languages
v10.0.6
August 05, 2024
* New: Adaptive icon
* Add: Possibility to set the ambient temperature when choosing the protection device
* Accessibility: Improved some layouts to accommodate larger fonts
* Fix: The unit of measurement of reactive power "VAr" has been corrected to "var"
* Upd: Splash screen
* Fix: ANR reduction with ad implementation
* Fix: Minor bug fix
v10.0.5
June 10, 2024
* Mod: Improved calculation of maximum short-circuit current
* Upd: Macedonian language (by Dragančo Velkov)
v10.0.4
May 27, 2024
* Add: Impact energy code IK11
* Upd: Target SDK 34
* Upd: Some external libraries have been updated
* Upd: General update of the languages
v10.0.3
May 21, 2024
* Mod: Improved the calculation for choosing the protection device
* Fix: Minor bug fix
v10.0.2
April 17, 2024
* Fix: Angle seconds now also accept a decimal number
v10.0.1
April 15, 2024
* Mod: Improved print/pdf layout
* Fix: Minor bug fix
* Upd: General update of the languages
v10.0.0.1
March 19, 2024
* Fix: Fixed a bug when printing and saving the reports as PDF
v10.0.0
March 18, 2024
* New: Save report as PDF
* Mod: Improved print layout
* Upd: Bulgarian language (by Dian Panteleev)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Portuguese [BR] language (by Douglas Braga Coimbra)
v9.3.0
February 12, 2024
* New: Added the Canadian Electrical Code standard
* Upd: Icelandic language (by Ebet)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Portuguese [PT] language (by João Faustino)
v9.2.4
January 29, 2024
* Add: Ampacities of covered conductors according to NEC Table 310.21
* Mod: Various improvements in wire size calculation
* Mod: The protection device calculation now returns a list of devices
* Mod: Improved the calculation of the temperature of a conductor
* Mod: Small various improvements
* Upd: Czech language (by KuJ3a)
* Upd: Macedonian language (by Dragančo Velkov)
v9.2.3
January 15, 2024
* Mod: Various graphic renovations
* Add: Possibility to use or not the derating factor for parallel cables
* Add: hPa in "Pressure conversion"
* Fix: Restarting the app when you reset settings
* Upd: Portuguese [BR] (by Paulo)
v9.2.2
December 11, 2023
* Add: The electrical symbols section has been expanded
* Add: Possibility to benefit from a free trial period
* Mod: The paywall has been renewed
* Mod: Improved purchasing and license management
* Upd: Ad consent manager
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
v9.2.1
October 23, 2023
* Fix: Invalid parameter in RPM conversion
* Upd: Indonesian language (by Andarinyo)
* Upd: Thai language (by Pongsathorn Sraouthai)
* Upd: Traditional Chinese language (by 楊武翔)
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] (by Wellington Santos)
* Upd: General update of the languages
v9.2.0
September 25, 2023
* New: D-types fuses (Neozed and Diazed)
* New: NH fuses
* New: Automotive fuses
* Upd: Bosnian language
* Upd: Bulgarian language
* Upd: Burmese language
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Turkish language (by Selçuk HASGÜL)
v9.1.1
September 05, 2023
* Add: Wiring color code for Argentina and Chile
* Mod: The "Fault current of strings" calculation has been moved to the new PV Calculations app
* Fix: Crash when searching for an update
* Fix: Widget
* Mod: New email address for contact us
* Add: Thai language
* Upd: General update of the languages
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
* Upd: Africaans language
* Upd: Bengali language
* Mod: build.gradle rewrited in Kotlin
v9.1.0
June 12, 2023
* New: Renewed the app icon
* Mod: Improved display of temperature in °C and °F
* Fix: Wire size calculation NEC with 14 and 12 awg
* Fix: Frequency formula
* Fix: The translation tool was not sending the email correctly
* Fix: When restoring the original order, all favorites were deleted
* Mod: Improved checking for updates
* Upd: Ad consent manager
* Add: Icelandic language (by Eggert Thorgrimsson)
* Add: Slovak language (Peter Tkáč)
* Upd: Turkish language (by Salim AKKAS)
* Add: Uzbek language (by Yodgorbek)
* Upd: Portuguese [PT] language (by Pedro Verissimo)
* Upd: Simplified Chinese language (by Wensheng Wang)
* Upd: Czech language (by Skipy)
* Upd: General update of the languages
* Upd: Updated some external libraries
* Upd: Target SDK 33
v9.0.6
February 24, 2023
* Upd: Updated the NEC 2023 normative references
* Fix: Value in imperial / metric conversion
* Fix: Unified installation methods D1-70 and D1-71 as required in IEC60364-5-52
* Fix: Minor bug fix
* Upd: German language (by Andreas)
* Upd: Hindi language
v9.0.5
November 30, 2022
* Imp: Improved the Wiring Color Code section
* Imp: Improved definition of continuous loads
* Add: Finnish language
* Upd: Azerbaijani language (by Emin Allahverdi)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Swedish language
* Upd: Ukrainian language
* Fix: Guide of conversion Ah / kWh
v9.0.4
November 14, 2022
* Upd: General update of the languages
* Fix: Ad unit id
v9.0.3
October 25, 2022
* Fix: Crash on About page
* Fix: Some strings in the Turkish language
v9.0.2
October 17, 2022
* Fix: Removed autoscroll in the electrical symbols list
* Fix: Kotlin coroutines
* Fix: Interstitial manager
v9.0.1
September 26, 2022
* Fix: Correct reduction factor for number of conductors in parallel
* Fix: Temperature ranges of thermocouples
* Upd: Slovenian language (by Sašo Veternik)
* Upd: Portuguese [PT] language (by L.Sousa)
* Upd: Portuguese [BR] language (by Ogait)
* Upd: Russian language (by Murtozakul)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Turkish language (by Levent Başaran)
* Upd: Albanian language
* Upd: Hindi language
* Upd: Simplified Chinese language (by 红叶)
* Upd: Traditional Chinese language
* Upd: Bulgarian language (by Dian Panteleev)
* Upd: Norwegian language
* Upd: Vietnamese language
* Upd: Danish language
* Upd: Dutch language
* Upd: Greek language
* Upd: Indonesian language
* Upd: Korean language
v9.0.0
July 11, 2022
* New: Help for each calculation is available
* New: Neutral current
* New: Power distribution systems (TT, TN, IT)
* New: Decoding of capacitor code
* Imp: Cold start times have been improved
* Imp: Improved the calculation of the ampacity of the bus bars
* Add: "LFNC-C" in "Conduit fill" (NEC)
* Add: Dimension and weight of the FG17 cable
* Mod: Now the calculation of the operating current also accepts mixed loads (single-phase / three-phase)
* Mod: Improved the capacitor tolerance table
* Mod: Improved the sum of resistors and capacitors
* Mod: Small improvements in "Fault current of strings"
* Fix: Crash when setting an invalid load surcharge value
* Add: Japanese language (by ユーザー)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
v8.2.5
May 21, 2022
* Upd: Improved compatibility with Android 12
* Fix: Minor bug fix
* Mod: AdMob Mediation
* Upd: Simplified Chinese language (by Wolfman)
* Upd: Traditional Chinese language (by Fours)
* Upd: Portuguese [BR] language (by Edson)
* Upd: General update of the languages
v8.2.4
March 07, 2022
* Add: "Conduit fill IEC" calculation has been improved by adding two-core, four-core and five-core cables
* Mod: Improved the calculation of the current carrying capacity of busbar
* Fix: Unit of measurement of the load when selecting a different installation type
* Fix: Default power factor in the calculation of the operating current
* Fix: Default units of measure in some languages
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Azerbaijani language (by Miryaqub Nuriyev)
* Upd: German language (by Sascha)
* Upd: General update of the languages
v8.2.3
January 25, 2022
* Fix: Description of the unit of measure "kg"
* Fix: Use of the European horsepower
* Fix: Minor bug fix
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Hungarian language (by NJbubo)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Polish language (by kropaske)
* Upd: Turkish language (by Mehmet Satılmış)
* Upd: General update of the languages
* Upd: Updated some external libraries
v8.2.2
December 27, 2021
* Mod: Improved license management
* Add: Result of the "Conduit fill IEC" calculation also in inches
* Fix: Zip Path Traversal Vulnerability
* Fix: Minor bug fix
* Upd: Simplified Chinese language (by YFdyh000)
* Upd: Macedonian language (by Dragančo Velkov)
v8.2.1
October 30, 2021
* Fix: Area of the conduit expressed in mm²
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
v8.2.0
August 18, 2021
* Add: Lifetime purchase
* New: Frequency / Angular velocity conversion
* New: Imperial / metric conductor size comparison
* New: EV charging plugs
* Add: Possibility to choose the maximum available wire size directly from the calculation
* Add: Possibility to set (in the Settings) the increase of the load (for the wire size calculation) to avoid the deterioration of the insulation
* Add: Sum capacitors now accepts the value expressed in Farad
* Upd: German language (by Fynn and Andreas)
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [Brasil] language (by Ailson)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: General update of the languages
* Fix: Minor bug fix
v8.1.0
July 01, 2021
* New: Motor connections
* New: Motor terminals marking
* Add: Filling percentage in IEC pipe sizing
* Add: H264+ & H265+ codec in hard disk sizing for CCTV
* Add: Km, mm and mil in length unit conversion
* Mod: Improved the Power / Torque calculation of the motor with inverse formulas
* Fix: Print with tabbed view
* Fix: Minor bug fix
* Upd: Vietnamese language (by Nguyễn Duy Trung and Thanh Tung Nguyen)
* Upd: Indonesian language (by Saimima K)
* Upd: Macedonian language (by Dragančo Velkov)
v8.0.2
May 27, 2021
* Mod: Removed unused permissions
* Fix: Translation upload
v8.0.1
May 13, 2021
* Mod: Improved the GDPR consent dialog
* Fix: Minor bug fix
v8.0.0.1
April 29, 2021
* Fix: Bug RestoreInstanceStateDelayed
v8.0.0
April 22, 2021
* New: Some graphic parts have been renewed
* Add: Various modifications and improvements
* Add: Result also in HP in the calculation of the motor power
* Mod: Improved the layout "size and weight of cables"
* Mod: Improved IP protection classes
* Fix: Standard values for resistances less than 1 ohm
* Fix: Various bug fixes
* Upd: Portuguese [BR] language (by Alfredo)
* Upd: Arabic language (by Électrique)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Hungarian language (by Nagy Daniel)
* Upd: Polish language (by o)
* Upd: Indonesian language (by andarinyo)
v7.10.2
March 19, 2021
* Upd: Greek language (by Evangelos Derventzis)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Czech language (by JohanyXcz)
* Upd: Simplified Chinese language (by WQ and leejian)
* Upd: Azerbaijani language (by Miryaqub Nuriyev)
* Upd: Ukrainian language (by Bohdan)
* Fix: Minor bug fix
v7.10.1
February 14, 2021
* Upd: Simplified Chinese language (by leiyu)
v7.10.0
February 02, 2021
* New: RCA color code
* New: Pinout IO-Link
* Add: Pinout Molex 24 pin
* Add: Pinout Raspberry Pico
* Add: Soil thermal resistivity in current carrying capacity calculations (Method D)
* Fix: Load in kW in "Operating current"
* Fix: StackOverflowError in Battery life
* Fix: Minor bugfix
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
* Upd: German language (by Andreas)
* Upd: Simplified Chinese language (by yellow)
* Upd: Indonesian language (by Suryadi Fajrin)
v7.9.2
January 18, 2021
* Imp: Improved resistance / impedance calculation
* Imp: Improved reactance calculations with inverse formulas
* Add: Depth of discharge in "Battery life" calculation
* Add: Restore old key via the settings menu
* Upd: Turkish language (by Rahmi YILDIZ)
* Upd: German language (by Ralf Ginkel)
* Upd: General update of the languages
v7.9.1
January 05, 2021
* Add: Measurement units VA, kVA, MVA, VAr, kVAr and MVAr in "Wire size", "Voltage drop", "Maximum cable length" and in some calculations related to the motor
* Add: Voltage at the end of the line in "Calculation of voltage drop"
* Add: Earth fault current in "Short-circuit current with transformer substation"
* Add: Two-phase system
* Mod: Improved AWG conversion table
* Add: Splash icon
* Fix: Conductors in parallel in "Wire size"
* Fix: Greek tension in "Electricity in the World"
* Fix: Currency code bug in subscription price
* Fix: Bug TagForUnderAge
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Persian language (by Zhiiiiina)
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Moacir Carvalho Jr.)
* Upd: Romanian language (by Stoica Emanuel)
v7.9.0
December 01, 2020
* Mod: The calculations of active / reactive / apparent power, current, voltage, resistance, power factor and related formulary have been improved
* Mod: Improved short-circuit current calculations
* Add: Phase conductors in parallel in "Current carrying capacity", in "Maximum wire length", in "Sizing the circuit breaker NEC", in "Power losses in cables" and in "Resistance of conductor"
* Add: Grouping coefficient in "Sizing the circuit breaker"
* Add: Power in watts as input of the Joule effect calculation
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Romanian language (by Romana)
v7.8.0
October 26, 2020
* Add: In-App purchases
* Add: Setting to disable the changelog at each update
* Fix: Minor bugfix
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
* Upd: Arabic language (by Mostafa Qais kasim)
* Upd: Hindi language (by Gyan Prakash Maurya)
* Upd: General update of the languages
v7.7.7
September 07, 2020
* Imp: Taking long screenshots
* Add: Hindi language (by KamPoo)
* Upd: Tamil language (by M Senthil)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Portuguese [Brasil] (by Wenes)
* Upd: Arabic language (by Tamim Hamrit)
* Upd: Ukrainian language (by Vadym)
* Upd: Romanian language (by Gabriel Rizescu)
* Upd: Russian language (by Murtozakul)
* Upd: General update of the languages
v7.7.6
July 08, 2020
* Add: Tamil language (by M Senthil)
* Upd: Dutch language (by Winnie)
* Upd: Indonesian language (by Sony Bejo)
* Upd: Portuguese [BR] language (by Svornatel)
v7.7.5
July 02, 2020
* Fix: Change language on Android 7 and lower
* Fix: WebView
* Fix: Minor bugfix
* Upd: Ukrainian language (by Vadym)
* Upd: German language (by Andreas)
* Upd: Purtuguese [BR] language (by Rudinei)
* Upd: Indonesian language (by Sony Bejo)
* Upd: Hungarian language (by Nd)
* Upd: General update of languages
v7.7.4
June 01, 2020
* Fix: Apparent power
* Upd: Simplified Chinese language (by Su Hongxin)
* Upd: Vietnamese language (by Nguyen Duy Trung)
v7.7.3
May 18, 2020
* Fix: Apparent power
* Fix: Crash "Layout Direction" on Android 4
* Upd: Russian language (by Murtozakul)
* Upd: Indonesian language (by Suryadi Fajrin)
v7.7.2
May 11, 2020
* Fix: Apparent power
* Fix: Display of diagrams of the three-phase motor on some devices
* Mod: Improved code decoding of SMD resistors
* Add: MWh to "Energy conversion"
* Upd: Portuguese [PT] language (by Danielson and Nsekio)
* Upd: Portuguese [BR] language (by Elder Henrique de Souza)
* Upd: Vietnamese language (by Tuan Anh)
* Upd: German language (by Andreas)
* Upd: Arabic [partial] language (by Lovemusic)
v7.7.1
April 15, 2020
* Fix: Crash in "Calculation of resistance"
v7.7.0
April 13, 2020
* Add: inH2o, mmHg, inHg to Pressure Conversion
* Mod: Graphic renewal of some diagrams
* Upd: Czech language (by Wittman)
* Upd: Traditional Chinese language (by Hi Ting Wang)
* Upd: Simplified Chinese language (by Qin)
* Upd: French language (by Yves Tschantz)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language [partial] (by Mohanad Mohieldien)
* Upd: General update of languages
v7.6.0
February 24, 2020
* Mod: Restyling of some graphical components
* Add: Pinout of the balanced mono jack
* Upd: Simplified Chinese language (by Wang Jiangyu)
* Upd: Spanish language (by Kovalsky and Neprales)
* Upd: Polish language (by zbyszek pizuch)
* Upd: Bulgarian language [partial] (by Dian Panteleev)
* Upd: Vietnamese language (by Nguyen Duy Trung)
v7.5.4
December 23, 2019
* Upd: Hungarian language (by Nd)
* Upd: Azerbaijani language (by Nofel)
* Upd: General update of languages
* Fix: Minor bug fix
v7.5.3
December 10, 2019
* Fix: Displaying formulas on Android 5 Lollipop
* Upd: Portuguese [BR] language (by Osmar Severo da Silva)
* Upd: French language (by Yves Tschantz)
* Upd: Simplified Chinese language (by Bao Yongfeng)
v7.5.2
October 28, 2019
* Fix: Installation method in "Calculation of the cable temperature"
* Fix: Crash with invalid parameter in "Calculation of the cable temperature"
* Fix: ViewPager
* Fix: Print of "Standard resistor values"
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Portuguese [BR] language (by Elder Henrique de Souza)
* Upd: Czech language (by Skipy)
* Upd: Indonesian language (by Andarinyo)
* Fix: Minor bugfix
v7.5.1
October 03, 2019
* Fix: Layout of "Wire size (IEC)"
* Fix: Crash with invalid parameter in "SMD resistor"
* Fix: Crash when backing up in read-only locations
v7.5.0
September 30, 2019
* New: Risk assessment of overvoltages with atmospheric origin
* New: Installation methods
* Add: Number of circuits in "Wire size" (IEC)
* Fix: Operating current with three-phase load
* Add: Azerbaijani language (by Miryaqub Nuriyev)
* Upd: Bulgarian language (by Dian Panteleev)
* Upd: German language (by Iceman2501 and Andreas)
* Upd: Romanian language (by Păun Traian and Jicu Bogdan)
* Upd: Indonesian language (by Andarinyo)
* Upd: Persian language (by Honafa12)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
* Upd: Greek language [partial] (by Giannopoulos Dimitris)
* Upd: Lithuanian language [partial] (by Mindaugas)
v7.4.0
July 15, 2019
* New: Sheet "Favorites"
* Mod: Renewed the widget
* Mod: Migration to AndroidX
* Add: Page with other apps
* Imp: Improved the calculation "Current carrying capacity of busbar"
* Fix: Pinout Apple Lightning
* Fix: Print manager
* Upd: Persian language (by ARiO and Behrad0011)
* Upd: Danish language
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Julio Ribeiro)
* Upd: German language (by Andreas)
v7.3.2
April 28, 2019
* Add: Inch to "Current carrying capacity of busbar"
* Add: ft·lbf and in·lbf to "Maximum torque"
v7.3.1
April 16, 2019
* Fix: Calculation of power factor of motor and voltage of motor
* Fix: Standard resistance button
* Imp: Motor section form
v7.3.0
April 07, 2019
* New: Current carrying capacity of busbar
* New: Calculation of the cable temperature
* New: Trigonometric functions
* New: Standard resistor values
* New: Dimensions and weight of cables
* New: Inductor code
* New: Admissible let-through energy of the cable (K²S²)
* New: Power losses in cables
* New: C-Form Sockets (IEC 60309)
* New: Nema connectors
* New: Atex marking
* New: Insulation class of the motor
* New: SWG conversion table
* New: VAr / µF conversion
* New: Pinout DisplayPort
* New: Pinout OBD II
* New: Pinout Jack
* New: Pinout display LCD 16x2
* Add: Pinout RJ9
* Add: DVI types
* Add: HDMI types
* Mod: Rearrangement calculations: current, power, voltage, power factor and motor efficiency
* Mod: Calculations available in the FREE version: Calculation of power factor, Maximum wire length, Earthing system, Inductor color code, SMD resistor code, Battery life, Antenna length, Capacitor start motor single-phase, Diagrams of the three-phase motor (9 and 12 leads), Voltage / energy / pressure / ah-kWh / gauss-tesla / rpm / torque conversion, Table of resistivity and conductivity
* Upd: Support to Android P
* Fix: Calculation of resistance
* Fix: Nautical mile conversion
* Add: Korean language (by Limchoonsik)
* Upd: Persian language (by Saeed.Fardi and Ali Zargar)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: German language (by Andreas)
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Slovenian language (by Sašo Veternik)
* Upd: Croatian language (by Goran Arabadžić)
* Upd: Polish language (by Si3wc4 and Kacper Szuba)
* Upd: Czech language (by Skipy)
* Upd: Russian language (by Murtozakul)
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Traditional Chinese language (by EricLee)
* Upd: Magyar language (by Sándor Marosi)
v7.2.4
February 11, 2019
* New: Settings backup
* Add: "DOD" in Ah/kWh Conversion
* Add: kg/cm² in Pressure Conversion
* Add: Button to search the standard resistance in some calculations
* Add: Selectable result
* Mod: Improved landscape layouts
* Add: Pinterest Profile
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Indonesian language (by Andarinyo)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Persian language (by Danesh)
* Upd: Bosnian language (by Ferid)
* Upd: Russian language (by Murtozakul)
* Upd: Bulgarian language (by Ivan Radev)
* Fix: Topic subscription Exception
* Mod: Removed Firebase Invites
v7.2.3
December 07, 2018
* Add: "in lbf" in Torque conversion
* Add: MVA in "Calculation of current"
* Upd: German language (by Andreas)
* Upd: Ukrainian language (by Igor)
* Upd: Czech language (by Skipy)
* Upd: Bosnian language (by Ferid)
v7.2.2
November 09, 2018
* Fix: Translator Tool with Android 4
* Fix: Changelog dialog
* Upd: Bolivian voltage
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Leonardo Knuppe)
* Upd: Romanian language (by Pătrașcu Laurențiu)
v7.2.1
November 07, 2018
* Add: Support for 20, 22, 24, 26, 28 awg
* Add: Operating temperature to "Maximum wire length"
* Fix: Calculation of the neutral size
* Fix: Print function
* Upd: Arabic language (by Abdusalam Qaissia)
* Upd: Czech language (by Shadel Fox)
* Upd: Persian language (by Abbas Babaei and Maghsood)
* Upd: Romanian language (by Patrascul25)
* Upd: Spanish language (by Fernando)
* Upd: Vietnamese language (by Phạm Thiên Thanh)
* Add: Bosnian language [partial] (by Linimd)
v7.2.0
September 02, 2018
* Add: Support for 16 and 18 awg
* Fix: Nec Calculations and Thermocouples not PRO
* Upd: Czech language (by Skipy)
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Spanish language (by Lautaro Dalibon)
* Upd: Arabic language (by Akram gashan)
v7.1.1
August 21, 2018
* New: Print support
* Fix: Crash at startup
* Fix: Calculation of resistance and Calculation of voltage with three-phase current
* Fix: Japan three-phase voltage
* Upd: Hungarian language (by Latcyba)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Ukrainian language (by Andrey Kosenko)
* Mod: Removed support for serial number
v7.0.3
July 10, 2018
* Fix: Crash in "Fuse" section
* Upd: Russian language (by Murtozakul)
* Upd: Slovienian language (by Davorin Caf)
v7.0.2
June 19, 2018
* Mod: Improved "Conduit fill" IEC
* Fix: Crash "Retma Spinner" with RTL languages
* Fix: Some layouts RTL
* Fix: ViewPager
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Ukrainian language (by Andrey Kosenko)
* Upd: Danish language
* Upd: German language (by Alex)
v7.0.1
June 08, 2018
* Imp: Added kW to "Motor full-load current"
* Fix: Crash wire size with installation type D2
* Fix: Ads runnable bug
* Fix: Minor bugfix
* Upd: Persian language (by Hadi Lael Bahador)
* Upd: Vietnamese language (by Nguyễn Duy Trung)
* Upd: Russian language (by Murtozakul)
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Bulgarian language (by Ivan Radev)
* Upd: German language (by Andreas)
* Fix: Removed wrong Tamil language
v7.0.0
May 24, 2018
* New: General reorganization of the calculations
* New: Motor slip
* New: Motor full-load current
* Imp: Improved calculations with resistor color code
* Mod: "Pipes dimensions" is available in the Resources tab
* Mod: cm-inch conversion is included in the Length conversion
* Mod: kW-HP conversion and kW-BTU/h conversion were merged into Power conversion
* Imp: Improved table of resistivity and conductivity
* Add: Ampacity of cables smaller than 25mm² for the installation method G
* Add: mmH2O to pressure conversion
* Upd: Ukrainian language (by Vyacheslav)
* Upd: German language (by Andreas)
* Upd: Vietnamese language (by Nguyễn Duy Trung and ManhLD)
* Upd: Czech language (by Skipy)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Portuguese [BR] language (by Antonio Fraga)
* Upd: Polish language (by Kacper Szuba)
* Upd: Romanian language (by Laurentiu Petre)
* Upd: Traditional Chinese language (by EricLee)
* Fix: Large wire size calculation
* Fix: Rounding of the reactance value
* Fix: Indonesian language bug
* Fix: Minor bugfix
v6.4.0
April 05, 2018
* New: ANSI standard device numbers
* New: Analog signal values
* Imp: Voltage drop calculation
* Add: Settings: max wire size
* Imp: Impedance calculation
* Mod: Primary/Secondary winding of transformer is available in the free version
* Upd: Vietnamese languag