# GAMMA

The GAMMA function calculates the gamma function of a given value. In mathematical terms, the gamma function is an extension of the factorial function for non-integer values.

## Syntax

=GAMMA(`number`

)

`number` | The value for which you want to calculate the gamma function. |

## About GAMMA

When you need to compute the gamma function of a certain numerical value in Excel, the GAMMA function comes to your aid. Mathematically speaking, the gamma function serves as an extension of the factorial function, accommodating real numbers in addition to whole numbers. It plays a crucial role in various mathematical disciplines, particularly in areas involving continuous calculations and functions like the beta function and combinations of real and complex analysis concepts.

## Examples

Suppose you want to find the gamma function value of 3.5. The formula to use would be =GAMMA(3.5). This will return the gamma function value for 3.5.

If you need to determine the gamma function of 1.7, you would input =GAMMA(1.7) into a cell to obtain the corresponding gamma function value.

## Questions

**What is the significance of the gamma function in mathematical contexts?**

The gamma function plays a vital role in mathematical disciplines by extending the concept of factorials to include non-integer values. It is widely utilized in various mathematical areas, such as complex analysis, combinatorics, and probability theory.

**Can the GAMMA function handle negative values or zero?**

No, the GAMMA function is designed to work with positive real numbers greater than zero. It is not intended for handling negative values or zero inputs.

**How does the gamma function differ from the factorial function?**

While the factorial function is defined for non-negative integers and represents the product of all positive integers up to a given number, the gamma function extends this concept to real numbers, offering a continuous counterpart suitable for non-integer calculations.

## Related functions

FACT

FACTDOUBLE

COMBIN