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Calculated Industries 4065 v3.1 User Guide User Manual

Page 15

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U

SER

S

G

UIDE

— 7

Circular/Arc Function Keys

The circle key helps you quickly solve circular area, volume or arc
problems.

C

Circle

— Displays and calculates the following val-

ues, given an entered circle diameter* or radius:

• Diameter (DIA)
• Circle area (AREA)
• Circumference (CIRC)

*To enter a diameter (e.g., 10 Feet), press

1 0 f C

.

Ç a

Radius

— Enters or calculates the

circle radius

(e.g.,

5 f Ç a

).

a

Arc Length or Degree of Arc

— A multi-function

key that enters or calculates

Arc Length

or

Degree

of Arc

, and further solves for additional circular/arc

values, including arched segment walls (based on
the stored On-center spacing), listed below.

Press Result
1

Arc Length or Degree of Arc (ARC)

2

Chord Length (CORD)

3

Segment Area (SEG)

4

Pie Slice Area (PIE)

5

Segment Rise (RISE)

6

Stored On-Center Spacing (OC)

7

Length of Arched Wall 1* (AW 1)

* The calculator will calculate arched segment wall lengths (if
applicable) with consecutive presses of the

a

key until it reach-

es the last wall length.

R

Run (Chord Length)

— Enters or calculates the

Chord Length

. Used in conjunction with an entered

segment rise to solve for the radius of a circle or
with an entered radius to solve for the segment rise.

r

Rise (Segment Rise)

— Enters or calculates the

segment rise

. Used in conjunction with an entered

Chord Length to solve for the radius of a circle or
with an entered radius to solve for the Chord Length.

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