Computer Science Calculations for iOS

All tools present:
Byte conversion – Dec, bin, oct, hex conversion – Signed number representations: Signed magnitude, One’s complement, Two’s complement – Bitwise operations – Shift and rotate bits – Password generation – Password strength check – Random number generation – Base 64 encoding / decoding – URL encoding / decoding – MD5, SHA, CRC-32 hash generation – Unix Timestamp conversion – POE calculation – Subnet calculation – Data transfer time – Wake on lan – RGB/HEX conversion

Resources:
Common character encodings – ASCII character codes – HTML entities and special characters – Material Design color palettes – Best Unix commands – Language codes (ISO 639-1) – Country codes (ISO 3166-1)

String manipulation:
Characters, words, lines counting – Text inversion – Uppercase / Lowercase – Removal space and carriage return – Accented characters cleaning – Strings replacement – String / Binary conversion – String / ASCII conversion – String / Hex conversion