VTech Power Pad Precomputer Power Pad Plus User Manual page 48

Vtech precomputer power pad plus user's manual
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LOOPING
A loop is a set of one or more instructions. These instructions can be repeated as many
times as you want. You can create a loop with a GOTO statement.
A program like the following will run continually:
10
INPUT "GIVE ME A NUMBER";N
20
PRINT "YOUR NUMBER IS";N
30
GOTO 10
RUN
You can modify the program to get out of a loop by using an IF statement to control the
loop like the program that calculates the area of a rectangle.
Another way to create a loop is through the use of the FOR and NEXT statements. These
statements surround the instructions that you want to repeat.
For example, type the following:
NEW
10
FOR N=1 TO 10
20
PRINT "HELLO"
30
NEXT N
RUN
The word "HELLO" appears 10 times on the screen. You can change line 20 to print
the value of N every time the loop repeats.
Type:
20
PRINT "N IS";N
press ENTER
press ENTER
press ENTER
press ENTER
44

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