Qalc

Rate conversion

Update rates

qalc --exrates

Currencies

qalc 1 EUR to USD

Bitcoin

qalc 1 BTC to EUR

Unit conversion

One day in seconds

qalc 1d to s

Speed

qalc "30km / (1h + 30min) to km/h"

Bytes

qalc 1MiB to bytes

Number conversion

to Binary

qalc 300 to binary

to Hexadecimal

qalc 300 to hex

to Octal

qalc 300 to octal

Equation Solver

qalc "x^2 + 2x + 7 = 17"

Settings

Enable thousands separator (2 = locale)

qalc --set "group 2"