| A | B |
| spreadsheet | software for entering data, performing calculations, and making graphs. |
| column | The vertical row of boxes labeled with a letter. |
| row | The horizontal row of boxes labeled by a number. |
| cell | Intersection of row and column. |
| active cell | Cell currently being edited. |
| 1979 | When the first electronic spreadsheet was invented. |
| Visicalc | First electronic spreadsheet. |
| cell reference | Position of the active cell |
| data | Text, numbers, or formulas entered into a spreadsheet |
| label | Text entered to identify data |
| Excel | Most widely known spreadsheet program. |
| Google | Spreadsheet program used in this class. |