Sites and apps similar to Tex2Img include LibreOffice - Math, which is free and open source. Other options are MathPad, KLatexFormula, MathType and Visual Math Editor. You can choose from more than 10 LaTeX Editors like Tex2Img for Windows, Mac, Linux, iPad and self-hosting.
Math Minion started out as a powerful scientific calculator and modelling system with a deep understanding of conversion units, but over time it has evolved into much more. When string handling was introduced to its powerful array handling, it became an adept string processor.
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Math, part of the Apache OpenOffice suite, is a tool for creating and editing mathematical equations, similar to Microsoft Equation Editor (included in Microsoft Office). The created equations can then be embedded inside other OpenOffice.
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MathMagic Equation Editor for Desktop Publishing software & Word Processors, Adobe InDesign, QuarkXPress, MS Word, iWork, for Technical writing with very easy interface and fast input.
Equation Illustrator is a tool for math and technical graphic work that helps you format and align formulae.
MathEditor is a convenient, accessible, mobile-friendly editor, that allows users to insert and understand the meaning of math formulas on the web.
iMathEQ is a mathematics equation or formula editor. It is a WYSIWYG online equation/formula editor allowing users to input, edit, print math equation or expressions. Provide interface for easy integration with web site or mobile app.
