Calculated Industries 4225-C - Manual (Page 26)

P OCKET R EFERENCE G UIDE — 23
CIRCLE CALCULATIONS
Circumference and Area
Find the Circumference and Area of a
circle having a diameter of 10 Inches.
KEYSTROKE DISPLAY
1. Clear calculator and enter diameter:
o o 0.
1 0 i ç
DIA
10
INCH
2. Find circle Area and Circumference:
ç
AREA
78.53982
SQ INCH
ç
CIRC
31-7/16
INCH
3. Convert to decimal Inch:
Ç i 31.41593
INCH
Arc Lengths
Find the arc Length of an 85° portion of a
circle with a 5 Foot diameter.
KEYSTROKE DISPLAY
1. Clear calculator and enter diameter:
o o 0.
5 f ç
DIA
5
FEET
0
INCH
2. Enter arc angle then find arc Length,
chord, segment Area, pie slice Area, and
segment rise:
8 5 A A
ARC
3
FEET
8-1/2
INCH
A
CORD
3
FEET
4-9/16
INCH
A
SEG
1.522922
SQ FEET
A
PIE
4.636031
SQ FEET
A
RISE
0
FEET
7-7/8
INCH