# How to insert an equation with fractions, square roots and exponents

**normal**, or

**Gaussian distribution**.

How to add an equation in your document, see Working with Microsoft Equation.

To insert, for example, the **normal distribution**, or **Gaussian distribution**, do the
following:

** 1. ** In the **Equation Editor** enter * f(x)=*
and then select

**Full-size vertical fraction**in the

**Fraction and radical templates**group on the

**Equation**toolbar:

** 2. ** Enter * 1* in the top of this template and
in the bottom choose

**Square root**in the

**Fraction and radical templates**group on the

**Equation**toolbar (to move the cursor around in an equation by using the keystrokes, see Keystrokes for Moving the Cursor within an Equation):

** 3. ** Enter * 2* and then choose in the

**Greek characters (lowercase)**group on the

**Equation**toolbar:

** 4. ** Select **Superscript** in the **Subscript and
superscript templates** group on the **Equation** toolbar:

Enter * 2* in the

**Superscript**field.

** 5. ** In the left of your formula enter * e*,
choose

**Superscript**and then enter

*and choose again*

**"-"****Full-size vertical fraction**and

**Superscript**to finish your equation:

How to adjust spacing and alignment in an equation, see Adjusting spacing and alignment in an equation.