Radio Shack TRS-80 PC-3

When programming, it is wise to allow increments in your line numbering (10, 20, 30, ... 10,30, 50 etc). This enables you to
insert additional lines, jf necessary.
CAUTION: Do not use the same line numbers in different programs. If you use the same line number, the oldest line with that
number is deleted when you enter the new line.
BASIC Verbs
All BASIC statements must contain verbs. Verbs tell the computer what action to perform. A verb is always contained within a
program and, as such,
is not acted upon immediately.
10: PRINT "HELLO"
20: READ B (10)
30: END
Some statements require or allow an operand:
10: PRINT "HELLO"
20: READ 8(10)
30: END
Operands provide information to the computer telling it what data the verb will act upon. Some verbs require operands; with
other verbs they are optional. Certain verbs do not allow operands. (See Chapter 8 for a complete listing of BASIC verbs arid their
uses on the PC-3.)
BASIC Commands
Commands are instructions to the computer wh ich are entered outside of a program. Commands instruct the computer to perform
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