Radio Shack TRS-80 PC-3 Owner's Manual page 17

<
rn
>
G
IEXP
GJ
Division key. Press this key to include the division operator in calculations. Pressing
(SHIFT)
and then this key will
display the "power" symbol, indicating that a number is to be raised to a specific power.
Multiplication key. Press this key to include the multiplication operator in calculations. Pressing
(SHIFT)
and then
this key displays the "less than" character.
Subtraction key. Press this key to include the subtraction operator in calculations. Pressing
(SHIFT)
and then this key
displays the "greater than" character.
Addition key. Press this key to include the addition operator in calculations. Pressing
(SHIFT)
and then this key
displays the exponentiation character used in scientific notation.
These three characters are found above the zero, decimal point and 3 keys. They are displayed by pressing
(SHIFT)
and then the character under the symbol desired.
....
. ... .- .
.I::; :::::
:1. ::::~ 5:::i I:::! :-5-: 5···i
BUSY P
OEF
..
: :
...
.
:. :
OEGRAO
...
.:
.....
i...i :. ::::: :
5.·-;
: :.- .:
.
5 ....
1::::·'1"
SHIFT
E
Figure 4. Sample PC-3 Display
The liquid crystal display of the Radio Shack PC-3 shows up to 24 characters at one time. Although you may input up 80 char-
acters (including
(ENTER) )
in one line, only the first 24 characters are displayed. To review the remaining characters in a line,
move the cursor to the far right and the display will 'scroll' - that is, as characters drop off the left, new characters appear on the
right.
The display consists of:
The prompt. This symbol appears when the computer is awaiting input. As you press, the prompt disappears and is
replaced by the cursor.
15