| DATE | The serial number of a date given the year, month, day. |
| DATEDIF* | The number of units between two dates. |
| DATEVALUE | The serial number that represents a given date in text format. |
| DAVERAGE | The average of values in a column satisfying a condition. |
| DAY | The day as an integer given a date serial number. |
| DAYS360 | The number of days between two dates, based on 30 day months. |
| DB | The depreciation of an asset (fixed-declining balance method). |
| DCOUNT | The total number of values in a column satisfying a condition. |
| DCOUNTA | The total number of non blank cells in a column satisfying a condition. |
| DDB | The depreciation of an asset (double-declining balance method). |
| DEC2BIN* | The number converted from decimal to binary. |
| DEC2HEX* | The number converted from decimal to hexadecimal. |
| DEC2OCT* | The number converted from decimal to octal. |
| DEGREES | The number of degrees given a number of radians. |
| DELTA* | The numerical value indicating if two numbers are equal. |
| DEVSQ | The sum of squares of deviations of data points from their sample mean. |
| DGET | The single value from a column satisfying a condition. |
| DISC* | The discount rate for a security. |
| DMAX | The maximum value in a column satisfying a condition. |
| DMIN | The minimum value in a column satisfying a condition. |
| DOLLAR | The text string of a number with the dollar formatting $0,000.00. |
| DOLLARDE* | The dollar fraction expressed as a decimal. |
| DOLLARFR* | The dollar decimal expressed as a fraction. |
| DPRODUCT | The product of values in a column satisfying a condition. |
| DSTDEV | The standard deviation of values in a column satisfying a condition. |
| DSTDEVP | The standard deviation of values in a column satisfying a condition. |
| DSUM | The sum of values in a column satisfying a condition. |
| DURATION* | The annual duration of a security that pays interest periodically. |
| DVAR | The variance from a database column that satisfies a condition. |
| DVARP | The variance from a database column that satisfies a condition. |