Manual
User's Guide — 85
Stairs — Given Floor-to-Floor Rise
You’re building a stairway with a total rise of 9 feet 11 inches. Your de-
sired riser height is 7-1/2 inches and desired tread width is 10 inches.
Find the riser height; number of risers; riser underage/overage; tread
width; number of treads; tread underage/overage; stringer length; and
angle of incline.
Keystroke Display
1. Enter known rise:
[On/C] [On/C] 0.
9 [Feet] 11 [Inch] [Rise] RISE 9 FEET 11 INCH
2. Recall stored desired stair riser height:
[Rcl] [Stair] R-HT 7-1/2 INCH
3. Recall stored desired stair tread width:
[Rcl] [m] T-WD 10 INCH
4. Find stair values:
[Stair] R-SZ 7-7/16 INCH
[Stair] RSRS 16.
[Stair] R+/– 0 INCH
[Stair] T-WD 10 INCH
[Stair] TRDS 15.
[Stair] T+/– 0 INCH
[Stair] STRG 15 FEET 6-15/16 INCH
[Stair] INC° 36.64°










