Full Changelog

Electrical Calculations

(iOS)

v7.2.2
December 09, 2024
* Fix: Reduced neutral and protection conductors in parallel when exceeding 6000A (NEC and CEC)
* Fix: Displaying awg sizes in the picker
* Mod: Improved purchase management
* Upd: Simplified Chinese language (by wangwei)
* Upd: Macedonian language (by Dragančo Velkov)

 

v7.2.1
November 28, 2024
* Fix: Crash when selecting an installation type when choosing a protective device
* Fix: Crash when showing multiple conductors in parallel in advanced section calculation
* Fix: Crash when the NEC wire size calculation results a neutral wire greater than 2000 kcmil
* Upd: General update of the languages

 

v7.2.0
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
* 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)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Czech language (by Skipy)
* Upd: General update of the languages

 

v7.1.1
October  22, 2024
* Fix: Crash when viewing an advertisement

 

v7.1.0
October 18, 2024
* New: Cable protection from short-circuit
* Mod: Improved calculation of minimum short-circuit current
* Mod: Dark and Tint app icon
* Mod: Improved some bar button icons
* Fix: Closing interstitial ads
* Add: Albanian and Uzbek languages
* Upd: AdMob SDK

 

v7.0.10
September 30, 2024
* Mod: Improved calculation of the current carrying capacity of the 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

 

v7.0.9
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
* Fix: Minor bug fix
* Add: Hebrew, Latvian, Lithuanian, Mongolian, Malay and Burmese languages
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: General update of the languages

 

v7.0.8
August 22, 2024
* Fix: Some layouts containing long strings

 

v7.0.7
August 20, 2024
* Upd: IEC insulated conductor ampacities now reach up 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

 

v7.0.6
August 05, 2024
* Add: Possibility to set the ambient temperature when choosing the protection device
* Accessibility: App text is now resizable based on device settings
* Fix: Corretta unità di misura della potenza reattiva “VAr” in “var”
* Upd: Aggiornata la splash screen

 

v7.0.5
June 10, 2024
* Mod: Improved calculation of maximum short-circuit current
* Upd: Macedonian language (by Dragančo Velkov)

 

v7.0.4
May 27, 2024
* Add: Impact energy code IK11
* Fix: Print and save as PDF when calculating the design current
* Upd: General update of the languages

 

v7.0.3
May 21, 2024
* Mod: Improved the calculation for choosing the protecion device

 

v7.0.2
April 17, 2024
* Fix: Showing results in the calculation of the busbars ampacity
* Fix: Angle seconds now also accept a decimal number

 

v7.0.1
April 15, 2024
* Mod: Improved print/pdf layout
* Upd: General update of the languages

 

v7.0.0
April 15, 2024
* New: Save report as PDF
* Mod: Improved print layout
* Upd: Updated some external libraries
* Upd: Bulgarian language (by Dian Panteleev)
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Portuguese [BR] language (by Douglas Braga Coimbra)

 

v6.3.0
March 07, 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)

 

v6.2.4
January 30, 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)

 

v6.2.3
January 15, 2024
* Add: Possibility to use or not the derating factor for parallel cables
* Add: hPa in “Pressure conversion”
* Upd: Portuguese [BR] language (by Paulo)

 

v6.2.2
January 12, 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
* Fix: Improved the display of some alert dialogs on iPad
* Upd: AdConsent manager
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)

 

v6.2.1
* 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

 

v6.2.0
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)

 

v6.1.1
September 6, 2023
* Add: Wiring color code for Argentina and Chile
* Fix: View initial help description on some devices
* Upd: General update of the languages
* Mod: The “Fault current of strings” calculation has been moved to the new PV Calculations app
* 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)
* Add: Africaans language
* Add: Bengali language

v6.1.0
June 13, 2023
* New: Renewed the app icon
* Mod: Improved display of temperature in °C and °F
* Upd: Updated the NEC 2023 normative reference
* Fix: Wire size calculation NEC with 14 and 12 awg
* Fix: Crash with 0V voltage in the calculation of the operating current
* Fix: When restoring the original order, all favorites were deleted
* Fix: Frequency formula
* Mod: Package rearrangement
* Fix: Form title with dark theme
* Add: Icelandic language (by Eggert Thorgrimsson)
* Add: Slovak language (Peter Tkáč)
* Upd: Turkish language (by Salim AKKAS)
* Upd: Portuguese [PT] language (by Pedro Verissimo)
* Upd: Simplified Chinese language (by Wensheng Wang)
* Upd: Czech language (by Skipy)

 

v6.0.5
February 26/2023
* 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

 

v6.0.4
December 01, 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

 

v6.0.3
October 26
* Mod: Improved printing of the list of standard resistors
* Fix: Some strings in the Turkish language

 

v6.0.2
October 17, 2020
* Fix: Interstitial manager

 

v6.0.1
September 27, 2022
* Mod: Improved iOS on Mac compatibility
* Fix: Correct reduction factor for number of conductors in parallel
* Fix: Temperature ranges of thermocouples
* Fix: Crash in cable group (Conduit fill)
* Upd: Purchases library
* 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

 

v6.0.0
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: 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 othe operating current also accepts mixed loads (single-phase / three-phase)
* Mod: Improved the capacitor tolerance table
* Mod: Improved the sum of resistors and capacitor
* Mod: Small improvements in “Fault current of strings”
* Fix: Tint of some images when changing light / dark theme
* Add: Japanese language (by ユーザー)
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)

 

v5.2.5
May 24, 2022
* 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

 

v5.2.4
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: Default power factor in the calculation of the operating current
* Upd: Arabic language (by Majed Al-Shagdari)
* Upd: Azerbaijani language (by Miryaqub Nuriyev)
* Upd: German language (by Sascha)
* Upd: General update of the languages

 

v5.2.3
January 25, 2022
* Fix: Description of the unit of measurement “kg”
* Fix: Display of retma codes on RTL layout
* 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)

 

v5.2.2
December 29, 2021
* Mod: Improved license management
* Add: Result of the “Conduit fill IEC” calculation also in inches
* Upd: Simplified Chinese language (by YFdyh000)
* Upd: Macedonian language (by Dragančo Velkov)

 

v5.2.1
November 1, 2021
* Fix: Area of the conduit expressed in mm²
* Fix: Minor bug fix
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Arabic language (by Majed Al-Shagdari)

 

v5.2.0
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

 

v5.1.0
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: 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)

 

v5.0.4
May 14, 2021
* Mod: Improved the GDPR consent dialog
* Add: Compatibility with the ATT framework

 

v5.0.3
April 25, 2021
* Fix: Changelog bug

 

v5.0.2
April 22, 2021
* 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: Minor bug fix
* 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)

 

v5.0.1
March 20, 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

 

v5.0.0
March 9, 2021
* New: Graphic interface renewal
* Imp: Various modifications and improvements
* Fix: Minor bug fix

 

v4.10.2
February 17, 2021
* Fix: Crash “Library not loaded” with iOS 13 and lower

 

v4.10.1
February 14, 2021
* Fix: UI Freezing when selecting a buried installation method
* Fix: Crash when selecting “Favorites” tab
* Fix: Minor bu fix
* Upd: Simplified Chinese language (by leiyu)

 

v4.10.0
February 03, 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: Formula “Impedance from resistance and reactance” not found
* Fix: Lag when scrolling pinouts
* 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)

 

v4.9.2
January 19, 2021
* Imp: Improved resistance / impedance calculation
* Imp: Improved reactance calculation with inverse formulas
* Add: Depth of discharge in “Battery life” calculation
* Upd: Turkish language (by Rahmi YILDIZ)
* Upd: German language (by Ralf Ginkel)
* Upd: General update of the languages

 

v4.9.1
January 6, 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
* Fix: Conductors in parallel in “Wire size”
* Fix: Greek tension in “Electricity in the World”
* 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)

 

v4.9.0
December 2, 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
* Fix: Crash in SMD resistor calculation
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Romanian language (by Romana)

 

v4.8.0
October 27, 2020
* Add: In-App purchases
* Add: Setting to disable the changelog at each update
* Fix: cm/in conversion
* Fix: Minor bugfix
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Russian language (by Murtozakul)
* Upd: Arabic language (by Mostafa Qais kasim)

 

v4.7.7
September  7, 2020
* Fix: Screenshots with dark theme
* Add: Hindi language (by KamPoo)
* Add: 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
* Fix: Minor bugfix

 

v4.7.6
July 02, 2020
* 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

 

v4.7.5
June 02, 2020
* Fix: Apparent power
* Upd: Simplified Chinese language (by Su Hongxin)
* Upd: Vietnamese language (by Nguyen Duy Trung)

 

v4.7.4
May 18, 2020
* Fix: Apparent power
* Fix: Print function
* Add: Indonesian language (by Suryadi Fajrin)
* Upd: Russian language (by Murtozakul)

 

v4.7.3
May 11, 2020
* Fix: Apparent power
* Fix: Conduit fill NEC
* Fix: VAr / µF conversion
* Fix: Minor bugfix
* 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)

 

v4.7.2
April 21, 2020
* Fix: Decimal numbers
* Mod: Improved code decoding of SMD resistors
* Add: MWh to “Energy conversion”

 

v4.7.1
April 15, 2020
* Fix: Crash in conversions
* Fix: Minor bug fix

 

v4.7.0
April 14, 2020
* Add: inH2o, mmHg, inHg to Pressure Conversion
* Mod: Graphic renewal of some diagrams
* Mod: New purchase page
* Fix: Long tab names
* 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

 

v4.6.1
February 25, 2020
* Fix: Crash on startup with iOS versions other than 13

 

v4.6.0
February 25, 2020
* New: Dark theme
* 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)

 

v4.5.4
December 26, 2019
* Fix: Long tab names
* Upd: Hungarian language (by Nd)
* Upd: Azerbaijani language (by Nofel)
* Upd: General update of languages

 

v4.5.3
December 11, 2019
* Upd: Portuguese [BR] language (by Osmar Severo da Silva)
* Upd: French language (by Yves Tschantz)
* Upd: Simplified Chinese language (by Bao Yongfeng)

 

v4.5.2
October 29, 2019
* Fix: Print function with iOS 13
* Fix: Minor bugfix
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Portuguese [BR] language (by Elder Henrique de Souza)
* Upd: Czech language (by Skipy)

 

v4.5.1
October 3, 2019
* Fix: Display issues with Dark Theme
* Fix: Minor bugfix

 

v4.5.0
October 01, 2019
* New: Risk assessment of overvoltages with atmospheric origin
* New: Installation methods
* Add: Number of circuits in “Wire size” (IEC)
* 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)

 

v4.4.0
July 16, 2019
* New: Sheet “Favorites”
* Imp: Improved the calculation “Current carrying capacity of busbar”
* Imp: Performance improvement
* Fix: Pinout Apple Lightning
* Upd: Persian language (by ARiO and Behrad0011)
* Upd: Danish language (by Esben Dahl)
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Julio Ribeiro)
* Upd: German language (by Andreas)

 

v4.3.2
April 30, 2019
* Add: Inch to “Current carrying capacity of busbar”
* Add: ft·lbf and in·lbf to “Maximum torque”
* Fix: Changelog
* Fix: Crash when the app is called by another app
* Fix: Invalid parameter in Power Conversion
* Fix: Picker selection

 

v4.3.1
April 17, 2019
* Fix: Calculation of power factor of motor and voltage of motor
* Imp: Motor section form

 

v4.3.0
April 8, 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 16×2
* Add: Pinout RJ9
* Add: DVI types
* Add: HDMI types
* Mod: Rearrangement calculations: current, power, voltage, power factor and motor efficiency
* Add: Landscape mode for iPad
* 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)

 

v4.2.3
February 14, 2019
* Add: “DOD” in Ah/kWh Conversion
* Add: kg/mm² in Pressure Conversion
* Add: Button to search the standard resistance in some calculations
* Add: Selectable result
* Add: Pinterest Profile
* Upd: Portuguese [PT] language (by Leandro Sousa)
* 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)

 

v4.2.2
December 9, 2018
* Add: “in·lbf” in Torque conversion
* Add: MVA in “Calculation of current”
* Upd: Bolivian voltage
* Upd: Russian language (by Murtozakul)
* Upd: Portuguese [BR] language (by Leonardo Knuppe)
* Upd: Romanian language (by Pătrașcu Laurențiu)
* Upd: German language (by Andreas)
* Upd: Ukrainian language (by Igor)
* Upd: Czech language (by Skipy)
* Upd: Bosnian language (by Ferid)

 

v4.2.1
November 07, 2018
* Add: Support for 20, 22, 24, 26, 28 awg
* Add: Operating temperature to “Maximum wire length”
* Add: Swipe to show/hide sidebar
* Fix: Calculation of the neutral size
* Upd: Crash report
* Upd: Arabic language (by Abdusalam Qaissia)
* Upd: Czech language (by Shadel Fox)
* Upd: Persian language (by Abbas Babaei)
* Upd: Romanian language (by Patrascul25)
* Upd: Spanish language (by Fernando)
* Upd: Vietnamese language (by Phạm Thiên Thanh)

 

v4.2.0
September 03, 2018
* New: Print support
* Add: Support for 16 and 18 awg

 

v4.1.0
August 21, 2018
* 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)

 

v4.0.3
July 11, 2018
* Upd: Russian language (by Murtozakul)
* Upd: Slovenian language (by Davorin Caf)

 

v4.0.2
June 19, 2018
* Mod: Improved “Conduit fill” IEC
* Upd: Simplified Chinese language (by Tian Hongpeng)
* Upd: Ukrainian language (by Andrey Kosenko)
* Upd: Danish language (by Esben Dahl)
* Upd: German language (by Alex)

 

v4.0.1
June 8, 2018
* Imp: Added kW to “Motor full-load current”
* Fix: Crash wire size with installation type D2
* 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)

 

v4.0.0
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
* 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: Minor bugfix

 

v3.4.0
April 10, 2018
* New: ANSI standard device numbers
* New: Analog signal values
* Imp: Voltage drop calculation
* Add: Settings: max wire size
* Imp: Impedance calculation
* Fix: Bug operating current
* Upd: Vietnamese language (by Trung Lê)
* Upd: Arabic language (by Ous Yasen)
* Upd: German language (by Andreas)
* Upd: Macedonian language (by Dragančo Velkov)

 

v3.3.6
February 07, 2018
* Upd: Resolutions
* Fix: Calculation of NTC temperature
* Fix: Image of the motor terminal board
* Upd: Polish language (by Marcin Antas)

 

v3.3.5
January 13, 2018
* Fix: Max voltage
* Upd: Macedonian language (by Dragančo Velkov)
* Upd: Czech language (by Skipy)
* Upd: Bulgarian language (by Ivan Radev)
* Upd: Ukrainian language (by Andrey Kosenko)
* Upd: German language (by Andreas)

 

v3.3.4
January 13, 2018
* New: Current carrying capacity of bare conductors (PRO)
* Add: Noncontinuous loads in “Sizing the circuit breaker NEC” (PRO)
* Upd: Portuguese [BR] language (by Junior Messias)
* Mod: Macedonian (Cyrillic) language (by Dragančo Velkov)
* Fix: Voltage in Brazil
* Fix: App rating

 

v3.3.3
November 19, 2017
* Add: Compatibility with iPhone X
* Fix: Capacitor code chart
* Add: Macedonian language (by Dragančo Velkov)
* Upd: Czech language (by Skipy)
* Upd: Vietnamese language (by TuanNguyen, Tuấn Phùng and Nguyễn Duy Trung)
* Upd: Persian language (by Jamal Moghadami)
* Fix: Minor bugfix

 

v3.3.2
September 19, 2017
* Upd: Slovenian language (by Davorin Caf)
* Upd: French language (by Yves Tschantz)
* Upd: Polish language (by Yasioo)
* Upd: Russian language (by Murtozakul)
* Upd: Spanish language (by Ángel Tepetla and GavilanZ)
* Upd: Bulgarian language (by Ivan Radev)
* Upd: Persian language (by Amin Norozi)

 

v3.3.1
August 27, 2017
* New: Splash screen
* Add: LinkedIn profile
* Upd: Russian language (by Leonid Tsvetinovich)
* Upd: Czech language (by Skipy)

 

v3.3.0
July 06, 2017
* New: Temperature sensors (PT/NI/CU, NTC, Thermocouples…)
* Mod: Thermocouple colour codes and data
* Mod: Some calculations are also available in the LITE version
* Upd: Portuguese language (by Leandro Sousa)
* Upd: German language (by Andreas)
* Fix: Temperature now accepts negative values
* Fix: Philippines three-phase voltage

 

v3.2.1
May 10, 2017
* Add: Installation type D2
* Add: Wire size with sizing neutral and PE (IEC)
* Add: Choosing sizing method for neutral and PE in settings
* Upd: German language (by Andreas)
* Upd: Ukrainian language (by Roman Korzh)
* Upd: Czech language (by Skipy)
* Upd: Portuguese language (by Leandro Sousa)
* Add: Nepali language (by Sagar Acharya)
* Fix: Current carrying capacity for B1 method
* Fix: Bug last stripe (PPM)

 

v3.2.0
April 1, 2017
* Add: Ambient temperature to “Wire size” calculation
* Add: NEC installation type “Supported on a messenger”
* Add: Three-phase voltage in the “Electricity around the world”
* Add: Other formulas
* Add: Translation for pinouts in Italian, Russian and Ukrainian
* New: Renewed settings
* Add: Added settings “Default direct current voltage”, “Power factor default” and “Max voltage drop”
* Add: Ukrainian language (by Roman Korzh)
* Upd: German language (by Andreas)
* Upd: Czech language (by Skipy)
* Upd: Persian language (by Sina Kheymedoozy)
* Fix: Retma code
* Fix: Bug “modified voltage” after the choice of installation type
* Fix: Minor bugfix

 

v3.1.0
February 22, 2017
* New: Conduit fill
* New: Tripping curves
* New: Torque conversion
* New: Angle conversion
* New: kW – BTU/h conversion
* Add: Translate button to About section
* Mod: Renewed some icons
* Mod: “Fuses” available in the LITE version
* Imp: Improved layout “Operating current”
* Fix: Improved “Short circuit current with transformer substation”
* Fix: TableView separator inset
* Upd: Polish language (by Kacper Szuba)
* Upd: Slovenian language (by Sašo Veternik)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Russian language (by Leonid Tsvetinovich)
* Upd: Magyar language (by Sándor Marosi)
* Upd: Simplified chinese language (by Tian Hongpeng)
* Upd: Traditional chinese language (by Eric Lee)
* Upd: Czech language (by Skipy)
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: Croatian language (by Pero Razović)

 

v3.0.0
November 27, 2016
* New: Capacitor code
* New: Fuses application categories
* New: Thermocouples
* New: Earthing system
* New: CCTV resolutions
* New: CCTV Harddrive/Bandwidth calculator
* New: Current divider
* New: Conversion byte
* New: NEMA Electrical symbols
* New: UL/CSA fuse class
* New: Capacitor power at different voltage
* New: Short-circuit current min (approximate method)
* New: Pinout MIDI
* New: Pinout Thunderbolt
* New: Pinout SD Card
* New: Pinout Sim Card
* Add: Animation for the results
* Add: NYDialogs
* Add: Slovenian language (by Sašo Veternik & Tomaž Dobrila)
* Add: Swedish language (by Jimmy Olandersson)
* Upd: Vietnamese language (by Nguyễn Duy Trung)
* Upd: Croatian language (by Pero Razović)
* Upd: Arabic language (by Abdusalam Qaissia)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Portuguese [BR] language (by Moacir Carvalho)
* Upd: Simplified chinese language (by Tian Hongpeng)
* Upd: Czech language (by Skipy)
* Upd: Persian language (by Sajjad Asadbeygi)
* Upd: Polish language (by Kacper Szuba)
* Upd: Turkish language (by Bekir Aydogdu)
* Upd: Romanian language (by Silvian Ionescu)
* Upd: Magyar language (by Sándor Marosi)
* Upd: German language (by Claudio Ruffino)
* Upd: Russian language (by Leonid Tsvetinovich)

 

v2.2.0
October 07, 2016
* Imp: Short circuit current with transformer substation
* Imp: Power factor correction
* Mod: Calculations “Power factor correction” and “Power factor correction small loads” have been merged
* Add: Number of neutral conductors in parallel in the short-circuit current calculation
* Add: Choice φ in radians or degrees in “Calculation of reactive power”
* Add: kVA and kVAr to “Calculation of power factor”
* Add: Dutch language (by Ilyahoo Proshel, Robert Wintersteijn, Felipe Espitia)

 

v2.1.6
September 17, 2016
* Add: Preliminary compatibility with iOS 10
* Imp: Resizing tableview in the search mode
* Imp: Resizing scrollview with keyboard
* Fix: Sizing the circuit breaker
* Fix: Update default voltage
* Fix: InvalidParameterException
* Add: Privacy Policy
* Add: Simplified Chinese language (by Xingwang Cao, Tian Hongpeng)
* Add: Magyar language (by Oláh-Szőnyi Csaba, Sándor Marosi)

 

v2.1.5
August 04, 2016
* Fix: String 150 mm² into the “Table of unitary voltage drop”
* Fix: Unit of measurement of the resistivity Ω*m/mm²
* Imp: Improved RTL layouts
* Imp: Improved transition between IEC and NEC
* Mod: Load current must be less than 7% of the maximum cable capacity
* Add: Arabic language (by Ilyahoo Proshel)
* Upd: Vietnamese language (by Nguyễn Duy Trung)
* Upd: Persian language (by Sajjad Asadbeygi)

 

v2.1.4
May 20, 2016
* Add: Choice unipolar/multipolar cable into the “Conductor resistance”
* Add: Choice operating temperature into the “Calculation of voltage drop”
* Mod: Choice up to 8 phase conductors in parallel
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Turkish language (by Bekir Aydogdu)
* Imp: Edited some pictures of the sockets
* Fix: Image of socket type F
* Fix: Core Text bug
* Fix: Show socket dialog bug

 

v2.1.3
May 18, 2016
* Add: Choice unipolar/multipolar cable into the “Calculation of voltage drop”, “Max wire size” and “Short-circuit current”
* Add: Number of phase conductors in parallel into the “Calculation of voltage drop” and “Short-circuit current”
* Add: Formula for choice wire size
* Add: Danish language (by Esben Dahl)
* Add: Traditional Chinese language (by EricLee, Jose Enrique Gutierrez, Siu Wing Chung)
* Add: Romanian language (by Lucian Voica, Cristi Duta, Laurentiu Petre, Silvian Ionescu)
* Add: Greek language (by Tasos Pergantis, Andrea Agates)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Imp: Improved notification for the insertion of incorrect values

 

v2.1.2
* Imp: Improved calculation of short-circuit current

 

v2.1.1
April 10, 2016
* Add: Search bar
* Add: Improved “Sum resistors” with Ω, kΩ, MΩ
* Add: Improved “Sum capacitors” with pF, nF, µF
* Add: Socket type F to Guinea Bissau
* Add: Socket type C and F to Western Sahara
* Fix: Formula tanφ = Q / P
* Add: Persian language (by Behnam Eskandariun, Ahmad Tahmasebi, Behnam Lashgari TJ, Reza Taherizadeh, Zahed Masoudi Chianeh)
* Add: Catalan language (by Rafael Vila, Lluís Martin Leona, antoine.nom36, Yassine)
* Add: Bulgarian language (by Ivaylo Malinov, Tarik Azzehni)
* Add: Norwegian language (by drzordz, Matheusiin Villela)
* Upd: Russian language (by GudWin)
* Upd: German language (by Claudio Ruffino)
* Upd: Portuguese [PT] language (by Leandro Sousa)

 

v2.1.0
March 09, 2016
* New: Sizing the circuit breaker
* New: Calculation of power factor
* New: Max wire length
* New: Appliance classes
* New: Plug & socket types
* New: IEC 60320 connectors
* New: iPad compatibility
* Add: Pinout PCI Express power cable (into Molex section)
* Add: Portuguese (BR) language (by José Machacaz, Moacir Carvalho, Paulo Pepeleascov, Antonio Fraga, Julio Cesar Stempkowski)
* Add: Croatian language (by Pero Razović)
* Add: Serbian (latin) language (by Saša Fišić, Vladimir Cvijović, Velimir Lazarević, Miloš Stevanović)
* Upd: Czech language (by Skipy)
* Upd: Polish language (by Kacper Szuba)
* Upd: Portuguese [PT] language (by Leandro Sousa)
* Upd: Turkish language (by Bekir Aydogdu)
* Imp: Improved some layouts
* Fix: Conversion from MegaGauss or KiloGauss
* Fix: Improved rounding of “Conversion pressure”
* Fix: Bug max voltage drop 0%
* Add: Adv

 

v2.0.1
December 19, 2015
* Add: Formula voltage drop DC
* Fix: Calculation of voltage drop DC
* Fix: Link to external applications for iOS9
* Fix: Minor bugfix

 

v2.0.0
September 14, 2015
* New: Formulary
* New: Capacitor start motor single-phase
* New: Diagrams three-phase motor (6-9-12 leads)
* New: Table of cables reactance
* New: Calculation “Impedenza”
* New: Pinout FireWire (IEEE1394)
* New: Pinout Apple Lightning
* New: Pinout Apple Dock Connector
* New: Pinout PS/2
* New: Fiber optic color code
* New: (Setting) Sort list calculations
* Mod: Old calculation “Capacitor for single-phase motor” has been renamed to “From three-phase to single-phase”
* Imp: Improved calculation of fault current
* Imp: Improved calculation “Antenna length”
* Imp: Improved readability of the symbols
* Imp: Electricity around the world with new images
* Add: Letters to the IP Protection Classes
* Add: Reactance and impedance into calculation “Conductor resistance”
* Add: Allow sections < 1.5 mm² into “Wire size IEC”
* Add: Result in mm² also into “Wire size NEC”
* Add: Setting for default method IEC/NEC
* Add: Add link to application “Lighting Calculations”
* Add: Add link to application “Electrical Cost”
* Add: Unit of measurement pF, nF e µH into some calculations
* Add: Socket type H in Israel
* Add: Portuguese language [PT] (by Leandro Sousa)
* Add: Czech language (by Skipy)
* Add: Turkish language (by Emrah HARMANBAŞI, Bekir Aydogdu)
* Add: Vietnamese language (by Nguyễn Duy Trung)
* Add: Polish language (by RaV, Kacper Szuba)
* Imp: Improved some layouts
* Imp: Localized done button
* Fix: Update color of fuse stripes
* Fix: Accepted resistance < 1 ohm

 

v1.1.0
August 25, 2015
* Add: “Installation type” and “Insulation” to the calculation of wire size
* Add: “Installation type” to the calculation of current carrying capacity
* Add: Spanish language (by Marcela Rodriguez)
* Add: Russian language (by L.Tsvetinovich, V.Bolshakov, Djek.Energetik)
* Add: German language (by D.Maggi, C.Ruffino, na2xs2y)
* Fix: Calcultion of resistance for led in parallel
* Fix: Improved rounding “Calculation of voltage drop”
* Fix: Hong Kong sockets

 

v1.0.1
July 18, 2015
* Add: Added French language (by Yves Tschantz)
* Fix: Fixed decimal bug with some language
* Fix: Minor bugfix

 

v1.0.0
June 26, 2015
* Release app