MathType - The Professional version of Equation Editor- MathType is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and Math…
MathCrunch - Learn math stress free
Equation Illustrator V - Technical graphic tool for Windows to format and align formulae.
MathPapa - Solves Algebra problems for you step-by-step
WIRIS editor - WIRIS editor is a visual editor (WYSIWYG) that allows inserting mathematical formulas in web pages.
Shiny Things - Perfect for students to improve their math abilities