Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Numi App - Numi is a beautiful text calculator for Mac.
GNU Octave - GNU Octave is a programming language for scientific computing.
Soulver 3 for Mac - A smart notepad with a built in calculator
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.