A free app for Windows, by Tom Chakam.

MathCast is a powerful tool for the editing of mathematical equations. The tool is designed to make the process of editing easy and intuitive. This tool allows you to create and edit mathematical equations and render them graphically on the screen.

This application has a simple and friendly interface that makes the editing process quick and easy. MathCast is also capable of editing an extensive set of mathematical operators, symbols, and functions.

Managing multiple equations is also a breeze because this app is an Equation List Manager. With this, you can easily modify and view all the mathematics of a project.