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Precise Calculator can return as many significant digits as you need. It can calculate with integers, real numbers, complex numbers, fractions, vectors, matrices. Commands if, goto, for, print can be used to create scripts. You can use history to edit and repeat previous expressions. Frequently used expressions can be saved as macro. Some useful macros are included in the package - Quadratic equation, Cubic equation, Prime numbers, Divisors, Geometry, Statistics. The calculator has more than 150 mathematical functions - exp, log, sinh, pi, mod, abs, round, random, hex, fact, permut, gcd, degtorad, polynom, integral, invert, sort, sum, var, foreach, ...