# Formula Overview

Spread for WinForms provides advanced software components that support Excel import/export, full cell customization, an extensive calculation engine with over 450 functions and more, all with zero dependencies on Excel.

## Content





Formulas in Spread .NET include operators and functions that follow certain syntax rules and allow you to perform a range of calculations. These topics introduce the concepts you need to make full use of the built-in functions and extensive capability of formulas:

*   [What is a Formula?](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-definition)
*   [Cell References in a Formula](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-cellrefs)
*   [Sheet References in a Formula](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-sheetrefs)
*   [Operators in a Formula](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-operators)
*   [Functions in a Formula](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-functs)
*   [Array Formulas](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-arr)
*   [Arrays in a Formula](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-arrays)
*   [Dynamic Array Formulas](/spreadnet/docs/latest/online-formula/formulas-overview/DynamicArrayFormulas)
*   [Data Types Using Formulas](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-datatypes)
*   [Custom Functions in Formulas](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-custfuncts)
*   [Custom Names in Formulas](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-custnames)
*   [Resultant Error Values](/spreadnet/docs/latest/online-formula/formulas-overview/formulas-errorvals)

For a complete reference of all the built-in functions, refer to [Formula Functions](/spreadnet/docs/latest/online-formula/formulas-functionsall).