SigmaCalculator

SigmaCalculator is an advanced scientific and expression calculator designed for Android devices. It supports a wide range of mathematical functions including exponential, logarithmic, trigonometric (sin, cos, tan), factorial, and randomness. Users can enter expressions using an integrated keypad featuring both numeric and alphabetic keys, simplifying input of variables and operators such as +, -, *, ÷, and ^.

This calculator stands out by offering calculation history, syntax highlighting, and the ability to define user variables. SigmaCalculator also supports graphing of functions, solving equations, complex number operations, and unit conversions. The angle measurement can be toggled between degrees and radians, catering to diverse mathematical needs. Available in English and French, SigmaCalculator is intuitive and versatile, making it ideal for students, engineers, and professionals who require precise and comprehensive calculations on the go.