The Calculator

It will add the displayed number already stored in the memory. (M+)

It is a computer program that solves math problems fast.

It will clear any number stored in the memory. (MC)

There are two basic types of calculator:

• Scientific Calculator

• Abacus

• Standard Calculator

• Pascaline

It has a lot of buttons and also performs complex calculations.

It is an ordinary calculator that performs four basic operations.

It shows the number stored in the memory. (MR)

It stores the displayed number in the memory. (MS)

It subtracts displayed numbers from the memory. (M-)