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*** scale**- Multiply the receiver by scale, which can be a Number or a Point
**+ delta**- Sum the receiver and delta, which can be a Number or a Point
**- delta**- Subtract delta, which can be a Number or a Point, from the receiver
**/ scale**- Divide the receiver by scale, which can be a Number or a Point, with no loss of precision
**// scale**- Divide the receiver by scale, which can be a Number or a Point, with truncation towards -infinity
**abs**- Answer a new point whose coordinates are the absolute values of the receiver's