Rockwell-automation 1771-DB BASIC MODULE Manual de usuario descargar pdf (Pagina 115)

100

101

Chapter

Expressions, Variables and Operators

9 -5

The BASIC module contains a complete set of two-operand and

one-operand arithmetic operators.

The general form of all two-operand instructions is:

(expr) OP (expr), where OP is one of these arithmetic operators.

Add ( + )

Use the addition operator to add the first and the second expressions

together.

>PRINT

3+2

Result: 5

Divide ( / )

Use the division operator to divide the first expression by the second

expression.

>PRINT

100/5

Result: 20

Exponentiation ( **)

Use the exponentiation operator to raise the first expression to the power of

the second expression. The maximum power to which you can raise a

number is 255. (See also EXP page 9 -13)

>PRINT

2**3

Result: 8

Multiply ( * )

Use the multiplication operator to multiply the first expression by the

second expression.

>PRINT

3*3

Result: 9

Subtract ( – )

Use the subtraction operator to subtract the second expression from the

first expression.

>PRINT

9-6

Result: 3

Arithmetic Operators

1 2 ... 110 111 112 113 114 115 116 117 118 119 120 ... 393 394

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