minus
Returns a BigDecimal whose value is (this - subtrahend), and whose _scale is max(this._scale(), subtrahend._scale()).
Return
this - subtrahend
Parameters
subtrahend
value to be subtracted from this BigDecimal.
Returns a BigDecimal whose value is (this - subtrahend), with rounding according to the context settings.
If subtrahend is zero then this, rounded if necessary, is used as the result. If this is zero then the result is subtrahend.unaryMinus(mc).
Return
this - subtrahend, rounded as necessary.
Since
1.5
Parameters
subtrahend
value to be subtracted from this BigDecimal.
mc
the context to use.
Throws
if the result is inexact but the rounding mode is UNNECESSARY.