| Spread Silverlight Documentation > Formula Reference > Formula Functions |
Spread Silverlight provides these built-in functions, listed alphabetically.
| UPPER | VALUE | VAR |
| VARA | VARP | VARPA |
| VDB | VLOOKUP | WEEKDAY |
| WEEKNUM | WEIBULL | WORKDAY |
| XIRR | XNPV | YEAR |
| YEARFRAC | YIELD | YIELDDISC |
| YIELDMAT | ZTEST |