BASIC MATH OPERATIONS: 

=SUM(x,y) or =SUM(range) – returns the sum of x and y or (all the numbers within the range) 

=PRODUCT(x,y) – returns the product of x and y 

=QUOTIENT(x,y) – returns the quotient of x divided by y 

=x+y – returns the sum of x and y 

=x*y – returns the product of x and y 

=x/y – returns the quotient of x divided by y 

=x-y – returns the difference of x subtracted by y