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

Word 365 2016 2013 2010 2003
This tip display how to insert an equation for example, the normal, or Gaussian distribution.

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

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

In the Professional present:

   1.   In your own equation enter f(x)=.

   2.   On the Equation Tools Design tab, in the Structures group, click the Fraction button:

Fraction in Word 2007

In the Fraction list choose Stacked Fraction:

Stacked Fraction in Word 2007

   3.   Enter 1 in the top of your fraction.

   4.   In the bottom of your fraction, do the following:

   4.1.   On the Equation Tools Design tab, in the Structures group, click the Radical button. In the Radical list choose Square root:

Square root in Word 2007

   4.2.   Enter 2.

   4.3.   On the Equation Tools Design tab, in the Symbols group, click the More button:

More symbols in Word 2007

In the list of symbols choose:

Basic Math in Word 2007

   4.4.   On the Equation Tools Design tab, in the Structures group, click the Script button. In the Script list choose Superscript:

Script in Word 2007

   4.5.   In the base box of script choose Sigma.

   4.6.   In the upper right box of script enter 2.

   5.   In the left of your formula choose Script again to enter e in the base box, in the upper right box enter - and choose again Fraction etc.:

normal or Gaussian distribution in Word 2007

In the Linear present:

   1.   In your own equation enter f(x)=1/.

   2.   On the Equation Tools Design tab, in the Symbols group, choose radical sign or simply \sqrt.

   3.   In the brackets enter 2 pi (or \pi), sigma (or \sigma) and ^2:

first linear part in Word 2007

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

first part in Word 2007

   4.   Enter e^(-(x- mu (or \mu), )^2/(2, sigma (or \sigma) and then ^2)):

second linear part in Word 2007

Then you enter a space key, second part of your linear formula transformed to the professional format:

second part in Word 2007

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