This is a calculator with support for physical quantities, coded in Python.

pip install calcon

Use calcon --help to show help.

Use calcon EXPR to calculate an expression.

Example output for calcon "5 * kilogram + 5 * gram":

((5 * kilogram) + (5 * gram))

  = 5.005 * kilogram

Currently, there are only a limited number of units supported, but more will be supported in the future.

• Added this changelog

• Fixed parsing numbers with leading period (.)

• Added adjacent multiplication (e.g. 5 meters vs. 5 * meters)

• Added E notation (e.g. 3.43E+2 m/s, which equals 343 m/s)

• Added support for single underscores in numbers (e.g. 1_000 or 1_000_000)

• Added comments (Python-style) (e.g. 5 meters # this is a comment)

• Added more units

• Added unit prefixes (e.g. kilo-, centi-)

• Units can be appended with -s (e.g. meters, liters)

• Results now display as their unit symbols

• Bug fixes