POSline TPC7030, Programming Manual

Page: 18 / 131

INT
Purpose
Κ
To return the largest integer that is less than or equal to the
giver numeric expression.
Syntax
Κ A% = INT(N%) or A% = INT(N!)
Example
Κ
A% = INT(9.86)
PRINT A%
B% = INT(-5.68)
PRINT B%
Description
Κ A% is an integer variable to be assigned to the result.
N% or N! is a numeric expression,it can be an integer or a
real number.
REM
Purpose
Κ
To insert explanatory remarks in a program.
Syntax
Κ REM remark or 'remark
Example
Κ
REM This is function
' This is BASIC program
Description
Κ remark may be any sequence of characters. BASIC
interpreter will ignore whatever follows the REM or ‘‘ until
end of the line’’.
SET_PRECISION
Purpose
Κ
To set the precision of the decimal points for printing real
number expression.
Syntax
Κ SET_PRECISION(N%)
Example
Κ
A! = 3.141592654
SET_PRECISION(6)
PRINT "A = ", A! ' A = 3.141593
Description
Κ N% is a numeric expression in the rang of 0 to 6.
The precision default setting is two digits.
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Programming Manual Ver. 1.00 17/131