1- Daum Equation Edior
'Edit the formula in this program is designed to quickly and easily. In the editor that provides many types of formulas with just the click of a button you can create a formula. Some of the features provided by this app include:
- Create formulas with the click of a button.
- Create formulas with TeX input editor.
- Changing the size and layout of the formula.
- Images created with a formula to save to your PC.
- Support common text input.
- Support copy and paste.
- support task history.'
'This is a fast equation editor/viewer that allows you to type equations quickly using helpful shortcuts and see them as you do. No more do you have to worry about missing a bracket or mistyping your equation with the real-time preview.You can then search for the equation on WolframAlpha to solve it or see more information.'
3- TeX Equation Editor
‘You can generate an image of a mathematical formula using the TeX(or LaTeX) language.This is useful for displaying complex formulas on your web page.
Provides connect with Google Drive. Paste the TeX equation, QR Code, Barcode to Google documents.’
4- MathX Equation Builder for Google Docs (update no longer working)
‘MATHX is the next generation equation editor that makes typing equations fast and easy for everyone. There is no need for coding (LaTeX/TeX) or clicking on icons (palette-based editors). You type math like you think it.’