22 — PIPE TRADES PRO™
PERCENTAGE CALCULATIONS
The keys can be used for finding 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.
302 FEET 6 INCH
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