Working with equations in Typefi isn't hard, but it does impact a number of components within your workflows and requires some forethought as to how you author equations and whether you format your equations as equation images or as MathML.
This article is an overview of the techniques and technologies required to create a seamless experience when working with equations. For information on working with equations within InDesign and within accessible EPUB, see Working with Equations (Designer).
Different ways to author equations
There are two main ways to author equations in Typefi Writer: WIRIS MathType and Microsoft Equation Builder. In MathType, equations are formatted as equation images; in the Equation Builder, equations are formatted as MathML. A third way, Microsoft Equation Editor, was discontinued in January 2018.
WIRIS MathType
Equation images (also frequently known as "MathType EPS") have been used for decades as a method of including complex equations in publishing workflows, and Typefi has long supported this workflow. But for more modern workflows, especially where accessibility is increasingly important, we recommend MathML instead.
For information about authoring equations with MathType, see Add or edit equations with MathType.
Microsoft Equation Builder
Microsoft's builtin Equation Builder formats equations as MathML. MathML is a lowlevel specification for encoding both the presentation of mathematical notation and mathematical content.
For information about authoring equations with the Equation Builder, see Add or edit equations with Microsoft Equation Builder.
Should I use MathType or the Equation Builder?
Whether you use MathType or the Equation Builder to author equations depends on your specific workflow. Refer to the table below to choose the best fit.
Microsoft Equation Editor* 
WIRIS MathType 
Microsoft Equation Builder 

Unicode^{®} support  Unicode 2.0^{†}  Unicode 11  
TeX/LaTeX notation  no  yes  yes 
MathML support  no  yes  yes 
Equation images  no  yes  no 
Application type  external app  external app  builtin 
Typefi Server workflows  no  no  yes 
Accessible output  no  yes^{‡}  yes 
* Microsoft Equation Editor (Equation 3.0) was licensed from Design Science in 1996. It has never supported equation images or MathML. Equation Editor became an optional install with Microsoft Office 2007 (where it was replaced by Equation Builder), and was discontinued in January 2018.
† MathType supports MTCode, which is based on Unicode 2.0 (1996) with additional support for some Unicode 3.1 (2002) and Unicode 3.2 (2002) math characters via the Unicode Private Use Area (see MTCode Encoding Tables).
‡ Accessible HTML or EPUB output requires movemen MathTools v3 or later to replace the unintelligible equations exported by InDesign with either MathML or equation images with alt
text.
NOTE If you are interested in a more detailed and highly technical feature comparison between Equation Builder and MathType, see Murray Sargent's blog posts: Other Office Math Editing Facilities and EquationEditor OfficeMath Feature Comparison.
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