Calculated Industries 4065 v3.1 Pocket Reference Guide Advanced Consnruction-Math - Manual (Page 29)

P OCKET R EFERENCE G UIDE — 25
Common Rafter Length
Find the point-to-point length of the
Common rafter on a 175/300 mm pitched
roof with a span of 8500 mm. What are
the angle cuts?
KEYSTROKE DISPLAY
1. Enter Pitch:
o o
0.
1 7 5 Ç 9 p PTCH 175.
MM
2. Enter half the span as the run:
8 5 0 0 З 9 ч 2 = 4250.
MM
R
RUN 4250.
MM
3. Find the Common and cuts:
d
DIAG 4900.
MM
d
PLMB 29.86°
d
LEVL 60.14°