> ## Documentation Index
> Fetch the complete documentation index at: https://help.dingtalk.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Insert formulas

> DingTalk Docs supports inserting Tex mathematical formulas into documents.

DingTalk Docs supports inserting **Tex** mathematical formulas into documents.

## Add a formula

1. Click **Insert > Formula** in the top navigation bar, then type the code in the formula editor area to see the corresponding mathematical formula in real time.

2. Click an inserted formula and press **Backspace** to delete it quickly.

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