Some Words To Be Aware Of

SUM
The technical meaning of the word sum in mathematics is the answer that you get when you add numbers together.People can become confused when the word sum is used in the sense of 'do this sum'
when what is meant is 'do this calculation'.
It can be even more confusing if the 'sum' referred to is a subraction, multiplication or a division.
It may be less confusing to restrict the word 'sum' to the result of addition and use the word
CALCULATION elsewhere.