1.226 FAQ991 How to add equations and special characters in Graph?AddEquationsCharactersinGraph
Last Update: 3/4/2021
Origin provides three ways to help user insert equation or special characters in Graph.
Notes:To decide the behavior of Insert Equation button , Set @IEE=0 to toggle the reminder dialog

LaTex App
How to use the LaTex App
 When a graph is active, click Insert Equation button from the Tools toolbar
 Click Yes when you saw the dialog.

 The app and the two applications, Mikitex and OAutotrace, will be installed automatically. Once they are installed, relaunch Origin.
 When a graph is active, click Insert Equation button from the Tools toolbar
To show LaTex equation in Axis Title and Legend or workbook
To show LaTex equation in Axis Title and Legend
 Add LaTeX equations to worksheet metadata area (e.g. Long Name, Units, Comments, etc.), using a \q() escape sequence.
If you also want the LaTex equation to be shown in workbook
  The App should work together with Origin 2017 or latter version
 You must have Mikitex and OAutotrace installed before you use the App

Insert Equation Tool
How to use the Insert Equation App
 When a graph is active, click Insert Equation button from the Tools toolbar
 Click NO when you saw the dialog.

 Edit equations with MathType or Equation Editor dialog
 To use the tool, you need to install the corresponding software/plugin in advance
MathType (Not free)
or
Microsoft Equation Editor(Not available if you installed January 2018 Office Update (PU))

Text Tool with Unicode Support
How to add equations or special characters with text tool
Which font should be used for math equations
For simple equations, we can use text tool with math font. Usually we recommend following three popular math font
 Times New Roman (Same font as MathType and some Tex tool)
 Cambria Math (Same font as Equations in Microsoft Office)
 Latin Modern Math (Same font as some Tex Tool)
Time New Roman (Italic)

Cambria Math (Italic)

Latin Modern Math (Italic)




How can I find the unicode of special characters I need
 Method 1: Refer to other Unicode Webpage
 Browser webpage for unicode reference, such as the one below
 https://unicodetable.com/en
 Search the character you want such as keywords as combining dot
 Combining characters can work together with other character to create special character.

 Method 2: Use Windows App  Character Map
 Search and Open the Window App: Character Map
 Choose the Font such as Times New Roman and Character Set as Unicode
 Set Group by = Unicode Subrange
 Choose desired subrange and find the symbol you want.
Keywords:Unicode, ALT+X, Greek, ASCII, Extended ASCII, ANSI, mu, pi, delta, alpha, beta, epsilon, lambda, degrees, superscript, subscript, extended character, escape sequence, overline, tilde, dot, rich text, angstrom, math, umlaut, worksheet header, column label, legend
