Rockwell Automation 1746-BAS BASIC LANGUAGE - Manual (Page 23)

1 Publication 1746-RM001A-US-P
Chapter
3
Expressions and Operators
This chapter describes and illustrates how you manipulate and/or evaluate
expressions and statements within the BASIC program or the command line. Table
3.1 lists the corresponding mnemonics.
Table 3.1 Chapter Reference Guide
If you need (to) Use this mnemonic Page
Absolute value ABS( ) 3-9
Return the integer value of the ASCII character. ASC( ) 3-12
Return the arctangent of the argument. ATN( ) 3-8
Retrieve data from the specified memory address. CBY( ) 3-16
Count the value converted ASCII character. CHR( ) 3-14
Return the cosine of argument. COS( ) 3-8
Retrieve or assign data to or from the internal data memory of
the BASIC or BASIC-T module. DBY( ) 3-16
Test for empty input buffer. EOF 3-15
“e” (2.7182818) TO THE X EXP( ) 3-11
Test for number of free bytes of RAM memory. FREE 3-15
Integer INT( ) 3-10
Read the number of bytes of memory in the current selected
program. LEN 3-15
Natural log LOG( ) 3-11
Read the last valid memory address. MTOP 3-16
One’s complement NOT( ) 3-9
PI-3.1415926 PI 3-10
Random number RND 3-11
Sign SGN 3-10
Return the sine of the argument SIN( ) 3-8
Square Root SQR( ) 3-10
Return the tangent of the argument. TAN( ) 3-8
Retrieve and/or assign the free running clock value. TIME 3-17
Retrieve or assign data to or from the external data memory of
the module. XBY( ) 3-17
Addition + 3-3
Division / 3-4
Exponentiation ** 3-4
Multiplication * 3-4
Subtraction - 3-4
Logical AND .AND. 3-6
Logical OR .OR. 3-6