Lingo Dictionary > Symbols > - (minus)

 

- (minus)

Syntax

(Negation): -expression

Description

Math operator; reverses the sign of the value of expression.

This is an arithmetic operator with a precedence level of 5.

Syntax

(Subtraction): expression1 - expression2

Description

Math operator; performs an arithmetic subtraction on two numerical expressions, subtracting expression2 from expression1. When both expressions are integers, the difference is an integer. When either or both expressions are floating-point numbers, the difference is a floating-point number.

This is an arithmetic operator with a precedence level of 3.

Example

(Negation): This statement reverses the sign of the expression 2 + 3:

put -(2 + 3)

The result is -5.

Example

(Subtraction): This statement subtracts the integer 2 from the integer 5 and displays the result in the Message window:

put 5 - 2

The result is 3, which is an integer.

Example

(Subtraction): This statement subtracts the floating-point number 1.5 from the floating-point number 3.25 and displays the result in the Message window:

put 3.25 - 1.5

The result is 1.75, which is a floating-point number.