**Precise Calculator** is a free scientific calculator for Windows.

- arbitrary precision (from 1 to 9999999)
- complex numbers
- fractions
- lists, vectors, matrices
- history (shortcuts ctrl+up, ctrl+down)
- calculator can write all results to a log file
- commands if, goto, print, return
- unlimited number of variables
- frequently used formulas can be saved as macros
- calculator can be translated to other languages