Supplementary Document

POCKET REFERENCE GUIDE — 13
Entering Square and Cubic and Adding
a Waste Allowance
Add a 10% waste allowance to 55 Square
Feet. Then add a 20% waste allowance
to 150 Cubic Feet:
KEYSTROKE DISPLAY
5 5 f f + 1 0 % 60.5 SQ FEET
1 5 0 f f f + 2 0 %
180. CU FEET
Using Multi-Function h Key
(NOT AVAILABLE ON TRIG MODEL #4080)
Find the volume, wall area and total room
area of a room measuring 15’ x 20’. The
room is 8’ tall.
KEYSTROKE DISPLAY
o o 0.
1 5 f l LNTH 15
FEET 0 INCH
2 0 f W WDTH 20 FEET 0 INCH
8 f h HGHT 8 FEET 0 INCH
h VOL 2400. CU FEET
h WALL 560. SQ FEET
h ROOM 860. SQ FEET