Calculated Industries 4095-B Pocket Reference Guide - Manual (Page 20)

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 con-
vention (non-dimensioned, linear, square or cubic).
Calculating Percentages
Find 18% of 500 feet:
KEYSTROKES DISPLAY
 
0.
      
 
90 FEET
0
INCH
Take 20% from 286 feet 6 inches:
KEYSTROKES DISPLAY
 
0.
        
 
229
FEET
2 3/8
INCH
Add a 10% waste allowance to 275 feet of pipe:
KEYSTROKES DISPLAY
 
0.
         302
FEET
6
INCH
P
OCKET
R
EFERENCE
G
UIDE
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