Supplementary Document

POCKET REFERENCE GUIDE — 2
Unit Keys
y Yards
f Feet
i Inch
/ Fraction Bar
m Meters
Ç 7 Centimeters
Ç 9 Millimeters
Ç 2 Acres
Length, Width and Height Keys
(NOT AVAILABLE ON TRIG MODEL #4080)
l Enters length for calculation
of area or volume.
W Calculates area, square-up
and perimeter.
h Calculates volume, wall
area and total room area.
Circle/Arc Keys
C Circle — Calculates circle
area and circumference.
a Calculates Arc Length or
Degree, chord length, seg-
ment area, pie slice area,
segment rise, and length of
arched segment wall studs.