Specifications
Thank
you
very much for purchasing
the
PC-4. This handy, personal
computer
is
excellent for
those
who
are beginning
to
learn
about
computers.
With
the
PC-4, you can
enter
the
world
of
computers
and
start
programming using
BASIC language.
CONTENTS
Prior
to
Operation
..........................................·3
Use
Precautions
.........................................•.
3
Power
Supply
and
Battery
Replacement
••.••..•.....................
4
Chapter 1 Name and Operation of Each Section 5
1·1 Name
of
Each Section 5
1-2 How
to
Read
the
Display
.•.................................
10
Chapter 2 Prior
to
Ca
Icu
lati
ng
11
2-1
Contrast Adjustment
.........................•............
11
2-2
RAM
Expansion Pack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
..
11
2-3 Memory Expansion
•.•.....•.•
"
.•.•.••.....................
12
2-4 Auto
Power
Off
'"
'"
"
II
•
"II
II II
III
'"
13
Chapter 3 How
to
Ca
Icu
late
14
3-1
Calculation Priority Sequence
14
3-2 I
nput/Output
and Operation Number
of
Positions
14
3-3 How
to
Perform Fundamental Calculations
15
3-4 Callout
of
Previous Calculation Result 16
3-5 Error Messages
17
3-6
Key
Operation 17
Chapter 4 Manual Calculation
20
4-1
What
Is
Manual Calculation? 20
4-2 Operation Method for Manual Calculation 20
4-3 Manual Calculation Examples
21
4-3-1
How
to
Perform
Fundamental Calculation
................•.•.•...
21
4-3-2
How
to
Perform
Function
Calculation
23
4-4 Arrays III
II
Ii
II
'"
..
'"
I-
Ii
26