DevCalc: Programmer Calculator

A calculator for programmers. Type in HEX, DEC, OCT or BIN and the others update as you type. WIDGETS (Pro) Seven widgets for the Home and Lock Screen: • Terminal: Unix time as $ date +%s prints it, with a live seconds counter and the days until the next round number • Binary clock: the time in glowing binary dots • Wi-Fi address: your IP, mask and network on the current Wi-Fi • Unix time, UTC with ISO week, and the Year 2038 countdown • Daily quiz: answer right on the widget SHOW THE WORK Open "Show the work" to see the division, place values, two's complement and the subnet mask AND, one line at a time. The Learn tab adds a conversion quiz, lessons and ASCII and subnet cheat sheets. CONVERT FROM ANY APP Select text anywhere, tap Share, then DevCalc to read it as hex, an IP address, Unix time, Base64 and more. FEATURES • Base conversion and arithmetic, 8/16/32/64-bit, signed view • AND, OR, XOR, NOT, shifts and byte swap • IPv4 subnet calculator with CIDR, host count and next subnet • Units (KB/KiB, Hz, bit/s) and transfer time • One-tap copy for every result • Works on iPhone, iPad and Mac Pro (one-time purchase, no subscription): widgets, encode and hash, Unix time conversion, bit editor, CAN ID (J1939) decoding, 100-entry history.