CipherLab 8 Series User Manual page 43

REM
Purpose To insert explanatory remarks in a program.
Syntax REM remark
' remark
Remarks "remark" may be any sequence of characters.
The BASIC compiler will ignore whatever follows REM or the apostrophe (') until
end of the line.
Example
REM This is a comment.
SET_PRECISION
Purpose To set the precision of the decimal points for printing real number expressions.
Syntax SET_PRECISION(N%)
Remarks "N%" is a numeric expression in the range of 0 to 6.
The precision is set to two digits by default.
Example
PI! = 3.14159
PRINT "PI = ", PI!
SET_PRECISION(6)
PRINT "PI = ", PI!
SET_PRECISION(2)
PRINT "PI = ", PI!
SGN
Purpose To return an indication of the mathematical sign (+ or -) of a given numeric
expression.
Syntax A% = SGN(N)
Remarks "A%" is an integer variable to be assigned to the result.
A%
1
0
-1
"N" is a numeric expression.
Example
A% = SGN(100)
B% = SGN(-1.5)
Meaning
N > 0
N = 0
N < 0
Chapter 4
' This is a comment.
' result: PI = 3.14 (by default)
' result: PI = 3.141590
' result: PI = 3.14
' A% = 1
' B% = -1
BASIC Commands
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