Calculated Industries 4225 Pocket Reference Manual page 40

Stairs — Given Rise and Run
You're going to build a stairway that has a
floor-to-floor Height of 10 Feet 1 Inch, a
run of 12 Feet 5 Inches, and a desired
riser Height of 7-1/2 Inches (default). Find
the stair values:
KEYSTROKE
1. Enter rise and run:
o o
1 0 f 1 i h
1 2 f 5 i l
2. Recall stored 7-1/2" desired riser Height,
then find the stair values:
® 7
s
s
s
s
s
s
s
s
s
* in the display means that the calculated riser
Height exceeds the desired (stored) riser Height, or
the calculated tread Width is below the desired
(stored) tread Width.
P
OPEN
STRG
R
OCKET EFERENCE
10
HGHT
12
LNTH
R-HT
STORED
R-HT
T-WD
T+/–
9
FEET
15
FEET
G
UIDE
DISPLAY
1
FEET
5
FEET
7-1/2
7-9/16
INCH
RSRS
0
R+/–
9-15/16
INCH
TRDS
0-1/16
10-1/4
7-5/16
37.27°
INCL
— 37
0.
INCH
INCH
INCH
*
16.
INCH
*
15.
INCH
INCH
INCH