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help for diffpi
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Difference expressed as a percentage

    diffpi #1 #2 [, format(%fmt) ]

Description

    diffpi provides the percentage of #1 to be added or subtracted,
          depending on its positive or negative sign, to #1 to get
          #2.  It is an immediate command, see help immed.

Options

    format(%fmt) specifies the display format for presenting numbers.
        format(%3.2f) is the default; see help format.

Examples

     . diffpi 100 20
     . diffpi 80 100
     . diffpi 46 43
     . diffpi 46 43 , f(%5.4f)
     . diffpi 1.1 1.5 

Support

    http://nicolaorsini.altervista.org