BigDecimal.movePointLeft
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public BigDecimal movePointLeft( int n )
Description
Returns a BigDecimal which is equivalent to this one with the decimal
point moved n places to the left. If n is non-negative, the call merely
adds n to the scale. If n is negative, the call is equivalent to
movePointRight(-n). (The BigDecimal returned by this call has value
(this * 10**-n) and scale MAX(this.scale()+n, 0).)