# Entering a Formula

From Apache OpenOffice Wiki

## Entering a Formula

The equation editor uses a markup language to represent formulas. For example, *%beta* creates the Greek character beta (). This markup is designed to read similar to English whenever possible. For example, *a over b* produces a fraction: .

You can enter a formula in three ways:

- Select a symbol from the Elements window.
- Right-click on the equation editor and select the symbol from the context menu.
- Type markup in the equation editor.

*Figure 202. Equation Editor, Elements window, and location of resulting equation.*

The context menu and the Elements window insert the markup corresponding to a symbol. This provides a convenient way to learn the Math markup.

Click on the document body to exit the formula editor.
Double-click on a formula to enter the formula editor again. |

### The Elements Window

The simplest method for entering a formula is to use the Elements window.

*Figure 203. Symbols are divided into categories*

The Elements window is divided into two main parts.

- The
**top**shows the symbol categories. Click on these to change the list of symbols. - The
**bottom**shows the symbols available in the current category.

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