# Formula Functions

> Look up the syntax, arguments and defaults of every table formula function, from SUM, ROUND and IF to COUNTA, and which Excel functions aren't supported.

- **Product:** TX Text Control .NET Server
- **Section:** Documentation
- **Kind:** Topic
- **Path:** TX Text Control .NET Server > API Reference > Formula Functions
- **Web URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/
- **LLMs URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/llms.txt
- **LLMs-Full URL:** https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/llms-full.txt

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## On This Page

- [How to Read the Tables](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#how-to-read-the-tables)
- [Mathematical and Trigonometric Functions](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#mathematical-and-trigonometric-functions)
- [Statistical Functions](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#statistical-functions)
- [Logical Functions](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#logical-functions)
- [Lookup and Reference Functions](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#lookup-and-reference-functions)
- [Information Functions](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#information-functions)
- [Functions That Show UNSUPPORTED](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#functions-that-show-unsupported)
- [Related Pages](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/formula-functions/#related-pages)

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## Nearby

- **Previous:** [REST API](https://docs.textcontrol.com/tx-text-control-dotnet-server/reference/rest-api/llms.txt)