Supplementary Document

POCKET REFERENCE GUIDE — 7
Stair Layout Key
s Given rise and/or run and
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 Stairwell Opening
8 Stringer Length
9 Angle of Incline
10 Stored or
Calculated Run
11 Stored or
Calculated Rise
12 Stored Desired
Riser Height
13 Stored Desired
Tread Width
14 Stored Headroom
15 Stored Floor
Thickness