| FACT | The factorial of a number. |
| FACTDOUBLE* | The double factorial of a number. |
| FALSE | The logical value FALSE. |
| FDIST | The F probability distribution. |
| FIND | The position of a substring within a larger text string. |
| FINV | The inverse of the F probability distribution. |
| FISHER | The Fisher transformation. |
| FISHERINV | The inverse of the Fisher transformation. |
| FIXED | The text string of a number rounded to a fixed number of decimal places. |
| FLOOR | The number rounded down to the nearest integer or significant figure. |
| FORECAST | The future value along a linear trend by using existing values. |
| FREQUENCY | The number of times a value occurs in a given array or cell range. |
| FTEST | The result of an F-test. |
| FV | The future value of an investment over a period of time. |
| FVSCHEDULE* | The future value of an initial principal after applying compound interest rates. |
