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Decimal.-

-that

Group: Operators
Aliases: minus

Documentation

Subtract a Decimal or other kind of number from another Decimal, or subtract a Decimal from another kind of number.

Arguments to - will undergo automatic conversions such that you need not convert other numeric types to Decimal manually.

Arguments

  • that: The number to subtract from this.

Examples

Subtracting 10.22 from 20.33.

      a = Decimal.new "20.33"
b = Decimal.new "10.22"
c = a - b
# => Decimal.new 10.11