Calculated Industries 4065 v3.1 User Guide - Manual (Page 49)

U
SER
’
S
G
UIDE
— 41
ARCHED SEGMENT WALLS
The arc function can also calculate the outside (default) and inside
lengths of arched walls. The outside arched wall lengths are meas-
ured outside of the arc (see diagram below). The inside arched wall
lengths are measured inside of the arc (see diagram on page 43).
Arched Segment Walls — Arched Windows (No Base)
Find the radius of an arched window with a chord length of 8 Feet 1
Inch and a rise of 2 Feet and 10-1/2 Inches. Then, find the arc
angle, arc length and segment area of the window. Then find the
“outside” arched segment wall lengths in order to frame the window.
KEYSTROKE DISPLAY
1. Enter chord length:
o o 0.
8 f 1 i R RUN 8
FEET
1
INCH
2. Enter rise:
2 f 1 0 i 1 / 2 r RISE 2
FEET
10-1/2
INCH
3. Find Arc angle:
a ARC 141.70°
4. Find Arc length:
a ARC 10
FEET
7
INCH
5. Display chord length:
a CORD 8
FEET
1
INCH
6. Find segment area:
a SEG 16.96327
SQ INCH
7. Find pie slice area:
a PIE 22.63527
SQ INCH
(Cont’d)