# Equations Guide

In order to better present mathematical equations, Flashcard Machine provides a tool that allows the user to write LaTeX code. We have provided examples and common equations below to help you get started. For a complete list of supported commands, click the All Commands tab.

You can create equations using LaTeX code by clicking on the Equations tab on the My Flashcards screen or by clicking the function icon within the Quick Editor. Enter your code in the LaTeX code field and click Show Equation to see the visual representation of the equation

 Example LaTeX Code Output Addition 10+12=22 Subtraction 22-12=10 Multiplication 5*5=25 Square Root \sqrt{9}=3 Exponents 2^2=4 Division \frac{22}{11}=2 Summation Notation \sum_{i=1}^n x_i Fractions \frac{\frac{1}{x}+\frac{1}{y}}{y-z} Comparison Symbols \neq < \leq > \geq Pi \pi r^2
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