Lurch is a free word processor with the ability to check the steps of your work in many areas of mathematics, from calculus to logic.

UAMath2 - Math Tool designed to help find relative values in all of your physics work.

World Calculator is an exact replica of the Windows 7 System calculator, it has all the functions of a standard calculator.

Easy Calculator - a very simple and easy to use calculator built in Java.

Mathematics Tools is an application that help people solve a wide range of mathematical problems.

Factorizer is a Windows program to find factors of numbers up to 2,147,483,646 and to find primes, pairs of primes and Palmen colors of numbers.

FractSurf - create and view fractals the easy and free way.

Farsight Calculator is a feature-rich calculator which allows you to create your own calculator and share it with your friends.

Calculator.NET is an enhanced version of the standard calculator in Microsoft Windows.

3D Grapher is a feature-rich yet easy-to-use data visualization and graph plotting software. 3D Grapher is small, fast, flexible, and reliable.

1st Calculator is an expression calculator and unit converter which allows you to directly enter an expression to be evaluated.

Roman Arabic Numerals Converter converts numbers expressed in Roman numerals into numbers expressed in Arabic digits and numbers expressed in Arabic

This is a product which can be found most useful by scientists, engineers, professors, and students.

Aviassin iCalcy is a calculator for Windows which imitates the iOS calculator on iPhone.

LswTech Graph Plotter is a simple graph plotting program.