LeoCalculator

A calculator is for performing evaluation of mathematical expressions these could include not only basic operations but also functions and brackets. It also permits usage of predefined variables.

Version: 4.1
License: Commercial $4.95
Operating System: Windows
Homepage: leokrut.com
Developed by: LeoKrut

An calculator for performing evaluation of mathematical expressions that could include not only basic operations but also elementary and statistical functions and brackets.

Edit box 'Expression' has to contain a string of mathematical expression that is supposed to be calculated.

It can contain: numbers in with or without decimal point and with or without a power of 10 like 1.2e-2 or 3.E3;pi in this application is equal to 3.141592653;basic mathematical operations +,-,*,/;power of grade operation ^ used like 2^3 = 8;brackets determining order of operation execution;elementary mathematical functions: sin, cos, tan, asin, acos, atan, ln ,log10, exp ,pow10, abs, sqrt; basic statistical functions as sum, mean, sigma (standard deviation) student and trust for calculation probability and trust interval. Arguments of the functions have to be an expression surrounded brackets;

Variables can be declared and edited separately from formula and can be any combinations of letters and numbers without spaces and reserved words: value expressions as usual are numbers but in most cases it could be mathematical expressions too.