Calculated Industries 4065 v3.1 Pocket Reference Guide Advanced Consnruction-Math User Manual
Page 22
P
OCKET
R
EFERENCE
G
UIDE
— 18
Circle/Arc Properties
Find Arc properties given a 1500 mm
diameter and an Arc length of 900 mm:
KEYSTROKE
DISPLAY
1. Enter Circle diameter and Arc length:
o o
0.
1 5 0 0 Ç 9 C DIA 1500.
MM
9 0 0 Ç 9 a
ARC 900.
MM
2. Find Degree of Arc, Chord Length,
Segment Area, Pie Slice Area and
Segment Rise:
a
ARC 68.75
°
a
CORD 847.
MM
a
SEG 75364.
SQ
MM
a
PIE 337500.
SQ
MM
a
RISE 131.
MM
*
*You may also find arched segment wall stud
sizes, based on the stored o.c. After the segment
rise, the calculator will display the stored o.c., then
calculate the stud sizes with each successive
press of the
a key.
Compound Miter
If the wall corner angle is 60° and the
spring (crown) angle is 38°, find the miter
angle and bevel angle for installing crown
moulding: