| N | The value converted to a number. |
| NA | The error value #N/A. |
| NEGBINOMDIST | The negative binomial distribution. |
| NETWORKDAYS* | The number of days between two dates excluding weekends and holidays. |
| NOMINAL* | The nominal rate equivalent to a given annual effective with a given compounding frequency for a nominal rate. |
| NORMDIST | The normal cumulative distribution function or probability mass function. |
| NORMINV | The inverse of the normal cumulative distribution for the specified probability. |
| NORMSDIST | The standard normal cumulative distribution function. |
| NORMSINV | The inverse of the standard normal cumulative distribution. |
| NOT | The boolean value which is the negation of its argument. |
| NOW | The date serial number of the current system date and time. |
| NPER | The number of periods for an investment. |
| NPV | The net present value of an investment. |
