# Difference between revisions of "-"

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− | The '''-''' mathematical operator performs subtraction on two numerical values or negates a single value. | + | The '''-''' mathematical operator performs subtraction on two numerical values or [[negation|negates]] a single value. |

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* Numbers used can be any literal or variable numerical value type. | * Numbers used can be any literal or variable numerical value type. | ||

* Subtracting a negative value will actually perform addition with the other value. | * Subtracting a negative value will actually perform addition with the other value. | ||

− | * Subtracting a negative or negated value will make the return value more positive. | + | * Subtracting a negative or [[negation|negated]] value will make the return value more positive. |

* Addition and subtraction are the last operations performed in Qbasic's normal order of operations. | * Addition and subtraction are the last operations performed in Qbasic's normal order of operations. | ||

* Subtraction cannot be performed on [[STRING]] values. | * Subtraction cannot be performed on [[STRING]] values. |

## Revision as of 00:35, 12 November 2010

The **-** mathematical operator performs subtraction on two numerical values or negates a single value.

*Syntax:* return_value = number1 - number2

## Description

- Numbers used can be any literal or variable numerical value type.
- Subtracting a negative value will actually perform addition with the other value.
- Subtracting a negative or negated value will make the return value more positive.
- Addition and subtraction are the last operations performed in Qbasic's normal order of operations.
- Subtraction cannot be performed on STRING values.

*See also:*

+ (addition operator)

*Navigation:*