| A | B |
| Active Cell | The selected cell displayed with a bold outline. |
| Adjacent Cells | Cells that are next to each other. |
| AVERAGE | Function that adds the values of the cells in a range and divides the result by the number of cells in the range. |
| Cell | The intersection of a row and column. |
| Excel | The speadsheet application in Microsoft Office |
| Fill Handle | The solid square in the lower-right-corner of a selected cell. |
| Formula | Mathematical statement used to calculate a value. |
| Formula Bar | Area near the top of the worksheet window that displays the contents of the active cell. |
| Function | Performs a calculation that results in a single value. |
| Gridlines | Solid lines that mark off the rows and columns in a worksheet. |
| Label | Text stored in cells that cannot be used in calculations. |
| Name Box | Displays the cell reference of the active cell. |
| Pointing | Clicking a cell to place its reference in a formula. |
| Range | Selection of two ro more cells. |
| ROUND | Function that changes a value by rounding it to a specific number of decimal places. |
| Row number | The numbers down the left side of the worksheet identifying individual rows. |
| Sheet tabs | Used to display the three worksheets in the workbook. |
| Spreadsheet | Data displayed in rows and columns. |
| SUM | Function that adds the values in a range of cells. |
| Value | Numeric data stored in a cell that can be used in calculations. |
| Workbook | An Excel spreadsheet file. |
| Worksheet | Sheets in an Excel workbook. |