1.227 FAQ-991 How to add equations and special characters in Graph?
Last Update: 10/11/2019
Origin provides three ways to help user insert equation or special characters in Graph.
How to use the LaTex App
- Download the App from File Exchange page below using your web browser
- Drag and drop the OPX file to Origin to install it.
- Click the LaTex button in the Apps Gallery in the right side to use it
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
- Edit equations with MathType or Equation Editor dialog
To use the tool, you need to install the corresponding software/plug-in in advance
MathType (Not free)
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
- 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