# How to insert an equation with a limit

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

To add a limit to your formula, do the following:

In the * Professional* presentation:

** 1. ** Create your own equation.

** 2. ** Under **Equation Tools**, on the **Design** tab,
in the **Structures** group, click the **Limit and Log** drop-down list:

In the **Limit and Log** list choose **Limit**:

** 3. ** In the limit template:

- In the lower box enter:
,*x*- under
**Equation Tools**, on the**Design**tab, in the**Symbols**group, in the list of symbols choose**Right Arrow**: - under
**Equation Tools**, on the**Design**tab, in the**Symbols**group, in the list of symbols choose**Infinity**:

- In the base right box enter
.*f(x)*

** 4. ** Then enter ** = L**:

In the * Linear* presentation:

** 1. ** Create your own equation.

** 2. ** Enter one of the following:

*lim_(x ->**lim_(x \to**lim_(x \rightarrow*

Then you enter a space key, this linear formula transformed to the professional format:

** 3. ** Enter ** \infty**:

After clicking a space key, Word will show an infinity symbol:

** 4. ** Enter ** )** and a space key:

** 5. ** In the base box of limit, enter ** f (x)**.

** 6. ** Enter ** = L**:

See also how to create other types of equations.

See also this tip in French: Comment insérer une équation avec une limite.