Commodore PET - The following functions constitute the format function group:; System Functions

for floatlng pOint variable
for
Integer variable
for string variable
$
two, or three characters, as follows:
[tf}]
Ma.ndator
v
first character~ ~l{A-Z)]
A-Z f
0-9
Optlonal second character ~
Variable type (blank)
%
A variable name can have one,
A-Z means that VOU can select any letter of the alphabet AB, C, .. X, y, Z,
and 0-9 means that vou can select any digit 0, 1, 2, 3, 4, 5, 6, 7, 8, or 9.
Floating Point Variable
A floating point variable is a variable that represents a floating point num-
ber This is probably the most common type of variable that vou will use in PET
BASIC,
Names for floating point variables have the form
A-Z [{~~~}]
Examples:
A
B
C
Al
AA
Z5
Integer Variable
An integer variable is a variable that represents an integer
Names for integer variables have the form:
A-Z ({~~n] %
Examples:
A%
B%
C%
Al%
MN%
X4%
Remember,
f10ating point variables can also represent integers: but you
should use integer variables in arrays whenever possible. since they use less
memory -
two bytes, versus five for a floating point array element
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