User's Guide — 41
[÷] 100 [Sq] [Feet][=]
10.09125 (squares)
Common Rafter Length
— (Pitch Known)
The roof you are working on has a
7/12 Pitch, with a span of 23 feet 6
inches. What length should you cut
the Common rafters (not counting the
overhang or ridge adjustments)?
7/12 Pitch
23’ 6”
Keystroke Display
[On/C] [On/C]
0.
7 [Inch] [Pitch]
PTCH 7 IN
23 [Feet] 6 [Inch] [÷] 2 [=]
11 FT 9 IN
[Run]
RUN 11 FT 9 IN
[Diag]
DIAG 13 FT 7-1/4 IN
