G'Day K,
The equation editor is usually called from within an Office Program:
Insert > Object > Microsoft Equation 3.0
Equation Editor will run as a separate Program - create a shortcut to:
C:\Program Files\Common Files
\Microsoft Shared\Equation\EQNEDT.EXE
but you will not be able to 'Print' or 'Save' the object.
It is a cut down version of MathType by Design Science - see:
http://www.mathtype.com/en/products/ee/
You can 'upgrade' to MathType (if you need) - it has considerable
added functionality that includes 'Print' and 'Save'.
This page also contains a Link:
Equation Editor
Tips & Tricks
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Regards,
Pat Garard
Australia
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