All functions / Math
SUM
Adds up numbers, cells and ranges.
Syntax
=SUM(number1, [number2], …)
Arguments
number: A number, cell or range to add.
Example
=SUM(A1:A5) → Total of A1 through A5
Practise it
- SUM and AutoSum
- Counting cells
- Copying formulas with the fill handle
- Mixed references
- Percentages and number formats
- Comparisons: TRUE or FALSE
- SUMPRODUCT
- Formatting numbers in text with TEXT
- Rounding values (not just how they look)
- Timesheets and hours worked
- Build a loan amortization schedule
- Editing without the mouse
- Formatting and finishing touches
- Challenge: quarterly sales summary
- Challenge: stock room reorder list
- Challenge: travel budget vs actual