SigmaConsole 2.4.9 that could have been downloaded from our website for free. SigmaConsole.exe is the common file name to indicate the SigmaConsole installer. The actual developer of the free program is Logimath. The most popular versions of the tool 2.4 and 2.2. The program is categorized as Education Tools.
From the developer:
The mathematical console SigmaConsole supports the most common and useful functions. It’s easy to use: to evaluate an expression, simply write it, using operators ( - * / ^), parenthesis and mathematical functions and press ENTER. You can also use the numeric keypad to enter numbers and operators. You can set variables (with any non-reserved name), using fundamental constants, etc.
You may want to check out more software, such as GenealogyJ, Lapackpp or Maxima and Minima, which might be similar to SigmaConsole.