User Manual

Pocket RefeRence Guide — 6
j
Jack Key — Calculates Jack rafter
lengths on the Regular-pitched
roof side.
Qj
Irregular Jack — Calculates Jack
rafter lengths on the Irregular-
pitched roof side.
P
Rake-Wall Key —
Finds the
stud sizes based on entered Right
Triangle values and the stored
On-Center spacing. If a dimensional
value is entered before pressing
P , that value is considered the
base and will be added to the
stud lengths.
Stair Layout Key
s
Stair Key — Given Rise and/or
Run and entered/stored variables,
calculates or displays:
PRESS RESULT
1 Riser Height
2 Number of Risers
3 Riser Overage/Underage
4 Tread Width
5 Number of Treads
6 Tread Overage/ Underage
7 Stringer Length
8 Angle of Incline
9 Stored Run
10 Stored Rise
11 Stored Desired Riser Height
PRG4050E-A.indd 5 5/24/2013 2:14:06 PM