A spreadsheet appears as a grid, each row has its own number and each column has its own letter. This labelling of rows and columns is used to give each cell a cell reference e.g C5 means column C row 5.
All use Spreadsheets
Active cell - It is the cell with the black border. Data can only be entered in this cell.
Cell Reference - labelloing of rows and columns e.g D6 column D row 5
Value - number which can be entered in the cell
Formula - Equation used to clculate a value e.g =d5*c5
Calculation Symbol Example
Subtract - =A1-A2
Multiply * =A1*A2
Divide / =A1/A2
Percentage % =A1%17.5%