LeoCalculator

LeoCalculator is an application for performing calculation of mathematical expressions that could include not only basic operations but also 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.