Calculated Industries 4095-B User Guide - Manual (Page 22)

22 —
P
IPE
T
RADES
P
RO
™
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