Formulas combinations of cell references, constants, and arithmetic symbols specify the calculations you want Excel to perform always begin with = example: = 3 + A1 * B7 - 2 ^ 2
Functions special prewritten formulas that provide a shortcut for commonly used calculations begin with an = Examples: =SUM(D1:E7) =AVERAGE(A2, B2, C3)
Relative and Absolute Addressing Relative Addressing - allows the cell addresses in formulas to change when copied to a new location default in Excel Absolute Addressing - if a cell reference in a formula is absolute it will not change if the formula is copied to a new location example of an absolute address: $A$4