P
OCKET
R
EFERENCE
G
UIDE
— 6
Ç H
Irregular Pitch
— Enters
Irregular
Pitch used to cal-
culate lengths of the
Irregular Hip/Valley and
Jack rafters.
j
Jack Key
— Calculates
Jack rafter lengths on the
Regular
-pitched roof side.
Ç j
Irregular Jack
— Calculates
Jack rafter lengths on the
Irregular
-pitched roof side.
∑
Rake-Wall Key
— Finds
the stud sizes based on
entered Right Triangle val-
ues and the stored On-
Center spacing. If a dimen-
sional value is entered
before pressing
∑
, that
value is considered the
base and will be added to
the stud lengths.
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