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TechNote #154: Last modified: 10/20/2017

MathType: Strange equation spacing


The information in this document applies to:

 

  • MathType for Windows
 

Issue

Sometimes it looks as though MathType has added extra space beneath the content of an equation (in this case, beneath the matrix within the brackets), and it's impossible to remove the space:

extra space beneath an equation

Or, you're typing along, minding your own business, and insert a space into your equation (such as a thin space from MathType's "Spaces and ellipses" palette), and all of a sudden you have a lot of extra space beneath your equation:

A lot of space below the equation


Reason

When you use the Cambria Math font in MathType for Windows, this issue will occur.

Explanation -- Why does this happen?

The Cambria Math font was designed to be used with Word 2007 (and later), and the equation editor introduced in that version of Word. Because of its "font metrics", it does not work well with MathType.

Resolving the error

In MathType's "Define Styles" dialog (in MathType's Style menu, choose Define), don't use Cambria Math font as the Primary font (Simple) or for the Text, Function, Variable, Vector-Matrix, or Number styles (Advanced). If you like the looks of the Cambria Math font, the Cambria font looks identical to Cambria Math, and you should be able to use it in MathType without any problem.


We hope this has been helpful. As always, please let us know if you have questions about this, or if you have additional techniques that work. We'd love to hear from you.


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