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16 — S
HEET METAL/HVAC PRO CALC
(Cont’d)
If a Circle Diameter is entered into the C key and
Arc Degree (or Arc Length) entered into the Arc
function (Ç C), further presses of C will dis-
play and calculate the following:
Press Result
1 Arc Length or Degree of Arc
2 Chord Length
3 Segment Area
4 Pie Slice Area
5 Segment Rise
6 Stored On-Center Spacing
7 Length of Arched Wall 1
8 Length of Arched Wall 2
9 Length of Arched Wall 3
(if applicable), etc.*
*Note: The calculator will calculate Arched Rake-Wall stud sizes
with consecutive presses of the C key until it reaches the last
stud.
R Run (Chord Length) — Used with r or Ç p to
find the Chord Length or the Radius of a Circular
Segment. If the Segment Rise and Radius have
been entered, this key will display the Chord Length
of the Circular Segment.
r Rise — Used with R or Ç p to find the Rise or
the Radius of a Circular Segment. If the Chord
Length and Radius have been entered, this key will
display the Segment Rise of the Circular Segment.
COLUMN / CONE KEY
The Column and Cone functions help you quickly estimate volume
and surface area of Columns or Cones.
Ç ) Column and Cone — The first and second press of
) following Ç calculate the total volume and
surface area of a Column using the values stored in
C and r; the third and fourth consecutive press-
es of ) calculate the total volume and surface area
of a Cone.
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