Calculated Industries 4225-B - Manual (Page 40)

P
OCKET
R
EFERENCE
G
UIDE
— 37
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 DISPLAY
1. Enter rise and run:
o o 0.
1 0 f 1 i h
HGHT
10
FEET
1
INCH
1 2 f 5 i l
LNTH
12
FEET
5
INCH
2. Recall stored 7-1/2” desired riser Height,
then find the stair values:
® 7
R-HT
7-1/2
INCH
s
R-HT
7-9/16
INCH
*
s
RSRS
16.
s
R+/–
0
INCH
s
T-WD
9-15/16
INCH
*
s
TRDS
15.
s
T+/–
0-1/16
INCH
s
OPEN
9
FEET
10-1/4
INCH
s
STRG
15
FEET
7-5/16
INCH
s
INCL
37.27°
* 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.
STORED