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TimesBy
x
*=
c multiplies x by c and returns the new value of x.
TimesBy has the attribute HoldFirst.
x
*=
c is equivalent to x
=
x
*
c.
See the Mathematica book: Section 2.4.4.
See also: DivideBy, AddTo, Set.
Further Examples
This initializes the variable i to the value 7, multiplies it, checks its value, and clears it.
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