Calculated Industries 4045-B - Manual (Page 35)

User's Guide — 35
Area for Roofing Materials
You’re ordering roofing materials for a
roof with a 5/12 Pitch, an overall span
of 27 feet and a length of 34 feet 6
inches. How many squares, at 100
square feet each, are there?
Keystroke Display
[On/C] [On/C] 0.
1. Find Common Rafter Length
5 [Inch] [Pitch] PTCH 5 IN
27 [Feet] [÷] 2 [=] [Run]
RUN 13 FT 6 IN
[Diag] DIAG 14 FT 7-1/2 IN
2. Find Area of One Side
[x] 34 [Feet] 6 [Inch] [=]
504.5625 SQ FT
3. Find Area of Both Sides
[x] 2 [=] 1009.125 SQ FT
4. Find Number of Squares
[÷] 100 [Sq] [Feet][=] 10.09125
(squares)