How to write a formula in excel in Excel
How to write a formula in Excel?
How to add, substract, multiply or divide two numbers in Excel?
How do you calculate in Excel?
How do I create a function in Excel?
To make a calculation in Excel it is all about playing with cells (A1, B4, G11, ...) by creating an formula in a destination cell.
Like like writing in B2 the formula = (A1 + B1) * G11
(for formulas, depending on your country, you might have to change ; with , or the opposite