Radio Shack TRS-80 PC-4 Owner's Manual page 66

Trs-80 pc-4
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NEXT V
STOP
END
VAC
LIST [line number]
LIST A
RUN
[line numbed
CLEAR
CLEAR A
{
En
(D
<
n
~
8)
SET
~n
(Q
<
n
<
9)
LEN
(character
variable)
MID
lmLnl l
V A L kharacter
variable)
-63-
Signifies the end of a FOR loop.
If the result of v plus e
3
is equal
to
or
smaller than
e
2 ,
the loop is
repeated again. If it is greater than
e
2 ,
control proceeds to the line
next to the N EX T statement.
P.49
Stops the execution of a program
temporarily to bring the system
into a key-in wait state. The exe-
cution can be continued by press-
ing the
lED
Key.
P.54
Signifies the end of a program,
the system returning to its pre-
execution state. The execution of
a program. once ended, cannot be
continued even if t h e . Key is
pressed.
P.54
Clears all variable data for a pro-
gram.
P.57
Displays a listing of all the state·
ments
in a program from the
designated
line
number down-
ward.
P.55
Displays
a
listing of the state-
ments in all programs.
P.55
Causes a program to start from
the designated line number.
P.54
Clears the currently designated
program area of a program.
P.57
Clears all the programs.
P.57
Designates trigonometric angular
units as degree (4), radian (5) or
gradient
(6).
P.55
Designates the number of effec-
tive positions or number of deci-
mal positions for the displayed
numerical value.
P.56
Calculates the size of the charac·
ter variable.
P.56
Extracts
n
characters from the
mth character in the exclusive
character variable
($).
P.56
Converts the numbers in a charac-
ter variable to a numerical value.
P.57

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