Wolfram Language & System 10.0 (2014)|Legacy Documentation
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, , or
represents a product of terms.
- The character is entered as Esc*Esc or \[Times]. It is not the same as \[Cross].
- Times has attributes Flat, Orderless, and OneIdentity.
- The default value for arguments of Times, as used in patterns, is .
- Times is taken to be .
- Times[x] is x.
- 0x evaluates to , and 0.0x evaluates to .
- Unlike other functions, Times applies built‐in rules before user‐defined ones. As a result, it is not possible to make definitions such as .
- Times is a function that does multiplication (takes the product) of expressions. The expression Times[a,b,c,…] is commonly represented using the shorthand syntax , , or simply . Special cases include Times, which is taken to be 1, and Times[x], which is taken to be x.
- Times sorts its arguments and collapses any terms of the same type. Times also threads element-wise over lists. Expand can be used to expand out products of expressions not automatically multiplied out by Times.
- TimesBy can be used to multiply the value of a given variable. Divide gives the division of two expressions.
- Multiplication of a function over a range or list of arguments is done using the function Product. Other types of multiplication include Dot (for matrix or vector multiplication) and NonCommutativeMultiply (for non-commuting products).
Introduced in 1988
(1.0)| Updated in 1996