Adjust the precision of computations, even save formulas as macros, with Precise Scientific Calculator

Precise Calculator is a free scientific calculator with the unique feature of arbitrary precision.

Features: arbitrary precision (from 1 to 9999999) * complex numbers * fractions * lists, vectors, matrices * history (shortcuts ctrl+up, ctrl+down) * commands if, goto, print, return * unlimited number of variables * can be translated to other languages.

Frequently used formulas can be saved as macros.