These functions perform operations on member formulas.
| Function | Description |
| EssOtlGetMemberFormula() | Gets the formula of the specified member |
| EssOtlGetMemberLastFormula() | Returns the last formula used to calculate the member |
| EssOtlSetMemberFormula() | Sets the formula for the specified member |
| EssOtlDeleteMemberFormula() | Deletes the formula of the specified member |