AMSTRAD cpc 6128 - Addition; Multiplication; Simple Arithmetic; Subtraction

Simple Arithmetic
Your computer can be used as a calculator quite easily.
To understand this, carry out the following examples. We will use the? symbol
instead of typing
pr; n t in this section. The answer will be printed as soon as the
[RETURN] key is pressed.
Addition
(use [SHIFT] and ; keys for plus)
Type:
? 3 + 3 [RETURN]
6
(Note that you do NOT type in the equals sign =)
Type:
? 8 + 4 [RETURN]
12
Subtraction
(useunshifted = key for minus)
Type:
Type:
? 4 - 3 [RETURN]
1
? 8 - 4 [RETURN]
4
Multiplication
(Use [SHIFT] and: keys for multiply (* means x)
Type:
Type:
? 3 * 3 [RETURN]
9
? 8 * 4 [RETURN]
32
Foundation Course
Chapter 1 Page
33