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# Online Equation Editor

This equation editor opens in a pop-up window when you click on the link below. You can enter math characters, symbols or expressions by clicking on the icons provided. A snippet of code appears below. Then edit the code, and type your numbers or variables in it, or some additional text.

After you're done, you can save (download) the gif image to your computer or copy it to a document.

The code is Latex and is familiar to many of us who have used Latex before, but it is fairly intuitive. For example, when you want a fraction and you press the fraction button, you will see the code

\frac{a}{b}

Just type your numerator in place of a, and your denominator in place of b. Those can be expressions as well.

You can make fractions, exponents, subscripts, square roots and other roots, sums (sigma sign), products (pi sign), integrals and limits. A list of Greek characters is included. The symbol list is fairly basic and includes some basic operation and relation symbols, set theory symbols, and a few arrows.

You can also change the font and the font size and the background color.

Launch CodeCogs Equation Editor