User's guide

22 — PiPe Trades Pro™
PERcEnTaGE calcUlaTionS
The  keys can be used for nding a given percent of a
number or for working add-on, discount or division percentage
calculations. It can be used with any type of number, in any
dimension (feet, inch, millimeter, etc.) and any type of convention
(non-dimensioned, linear, square or cubic).
Calculating Percentages
Find 18% of 500 feet:
KEYSTROKE DISPLAY
 0.
      
 90 FEET 0 INCH
Take 20% from 286 Feet 6 inches:
KEYSTROKE DISPLAY
 0.
        
 229 FEET 2-3/8 INCH
Add a 10% waste allowance to 275 feet of pipe:
KEYSTROKE DISPLAY
  0.
 7       302 FEET 6 INCH