VTech PreComputer 2000 Manual page 47

Moreover AND, OR, NOT can be used to manipulate numerical values . These
operations are based on binary numbers with 1 and 0 representing TRUE and
FALSE respectively.
For example:
i) NOT 1 =-2 [1 =binary 00000001 and -2=binary 11111110, so it just changes
the 1 to 0 and 0 to 1. In other words, TRUE(1) changed to FALSE(0) and
FALSE(0) is changed to TRUE(1) .]
ii) 6 OR 13=15 [6=binary 0000011 0 and 13=binary 00001101 , so , with reference
to the OR truth table, 6 OR 13 =15=binary 00001111]
iii) 6 AND 13=4 [6=binary 00000110 and 13=binary 00001101, so with reference
to the AND truth tab le, 6 AND 13=4 binary 00000100]
INPUT
Line # INPUT "(optional character string)"; variable 1, variable 2, ....
INPUT allows the .user to type in the value of a variable at the time the program
is RUN . If an optional character string is used, this message will be printed before
the question is asked. The type of data to be INPUTTED varies according to
the type of the variable .
Examples:
I
35 INPUT AMOUNT
140 INPUT "WHAT IS YOUR NAME:";NAME$
LET
Line # LET variable = variable expression
The variable expression is calculated and the result is stored under the variable .
The word LET is optional.
Examples :
I
40 LET SUM=A+B+C
I
25 LET cosT =PRICE-PROFIT
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