The SUMIF function can do it. The SUMIFS function and ones like AVERAGEIF can also do it. You could also use the IF function and put calculations within it. So there are lots of possible answers. It depends on what it is you want to do.
They could only perform basic calculations.
Yes
It is a cell or set of cells that are used to do calculations for a function.
to help do calculations quicker than the human mind for our ease.
...as a function.
function
To do calculations that would take YEARS for a regular computer to do!
Yes it is.
Create presentations and perform numerical calculations
It will count up cells that have numbers in them.
The function of the suites application is to create presentations and perform numerical calculations.
The Central Processing Unit (CPU).