A cluster for quick addition and totals with shortcuts and formulas.
AutoSum
Alt + =
Copy Formula from Cell Above
Ctrl + '
SUM
Returns the sum of selected values or ranges.
SUMIF
Sums values that meet a condition.
SUMIFS
Sums values that meet multiple conditions.
SUBTOTAL
Returns a subtotal with specified aggregate function.
SUMPRODUCT
Returns sum of products of arrays.
