# Number - Multiplication (Product)

Multiplication is denoted by:

• the cross symbol × (\times in Latex),
• by a point ·
• or by the absence of symbol

It's a binary function.

## Properties

Multiplication is:

• Associative: $\alpha(\beta.v) = (\alpha.\beta)v$

## Rules for handling the signed quantities

• Plus times plus makes plus
• Minus times minus makes plus
• Plus times minus makes minus
• Minus times plus makes minus.

## Documentation / Reference

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Multiplication
Number - (Arithmetical | Numerical | Mathematical) Operators

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