> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.jotterpad.app/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Add TeX Equation

## What is TeX Equation?


![](https://storage.crisp.chat/users/helpdesk/website/a720bae09aee9000/tex-math-equation-app_1hd6vxe.png)

TeX Equation is a typesetting system designed to allow users to create or format complex mathematical formulas. TeX Equations can only be added in the following extensions:

* .txt
* .md

|| TeX equations will not be viewable in documents that have been published to blogs or exported as docx. They can only be printed to documents in PDF. 

## Add TeX Equation

**Android**:
1. Open the Editor.
2. Tap on the Insert button, which is located next to the Strikethrough button.
3. Tap on the `Block TeX Equation` or `Inline TeX Equation` button.
4. Select the TeX equation(s) that you would like to insert.
5. Tap on `✓` at the top left corner of your screen to insert the TeX equation(s) that you have selected. 

Alternatively, use syntax `$`,  then the mathematical expression and end with `$`. For example, `$e^{x}$`.

**iOS**:
1. Open the Editor.
2. Tap on the Insert button, which is located next to the Strikethrough button.
3. Tap on the `Block TeX Equation` or `Inline TeX Equation` button.
4. Select the TeX equation(s) that you would like to insert.
5. Tap on `✓` at the top left corner of your screen to insert the TeX equation(s) that you have selected. 

Alternatively, use syntax `$`,  then the mathematical expression and end with `$`. For example, `$e^{x}$`.

| This feature is available in v14.0.0.

**Mac**:
This feature is not available in JotterPad Mac.​

**Web**: 
1. Open the Editor.
2. Click on the `+` button, which is located next to the Paragraph Style button.
3. Click on the `Block TeX Equation` or `Inline TeX Equation` button.
4. Click on the TeX equation(s) that you would like to use. 
5. Click on the `Insert` button to insert your selected TeX equation(s). 

Alternatively, use syntax `$`,  then the mathematical expression and end with `$`. For example, `$e^{x}$`.

---

## Edit TeX Equation

**Android**:

1. Tap on the TeX equation that you would like to edit.
2. Tap on the pen icon to edit.
3. Once you are done, tap on `✓` at the top left corner of your screen to save your changes. 

**iOS**:
1. Tap on the TeX equation that you would like to edit.
2. Tap on the pen icon to edit.
3. Once you are done, tap on `✓` at the top left corner of your screen to save your changes. 

| This feature is available in v14.0.0.

**Mac**:
This feature is not available in JotterPad Mac.​

**Web**: 
1. Click on the TeX equation that you would like to edit.
2. Click on the pen icon to edit.
3. Once you are done, click on the `Insert` button to save your changes.

| To cancel the action, click on the `Cancel` button.