Function *=

*= symbol value

Modifies the value stored in a variable by multiplying it by a given value.

Parameters:

symbol - A symbol object identifying a variable in the current context. The variable must contain a numeric value.

aValue - A numeric object represeting the value to be multiplyed by symbol.

Returns:

The new value of the variable.

Modifies the contents of the variable identifyed by symbol by multiplying the value it contains with value. The variable binded to symbol is expected to contain a numeric object.

The *= is a short way to write

    set! symbol [* $symbol $value]