POCKET REFERENCE GUIDE — 38
Stairs — Given Rise Only
You’re building a stairway with a total rise
of 9 Feet 11 Inches. Using the default riser
Height of 7-1/2 Inches and tread Width of
10 Inches, find the stair values:
KEYSTROKE DISPLAY
1. Enter known rise:
o o 0.
9 f 1 1 i h
HGHT 9 FEET 11 INCH
2. Recall stored desired stair riser Height:
® 7
R-HT 7-1/2 INCH
3. Recall stored desired stair tread Width:
® 9
T-WD 10 INCH
4. Find stair values:
s R-HT 7-7/16 INCH
s RSRS 16.
s
R+/– 0 INCH
s T-WD 10 INCH
s TRDS 15.
s
T+/– 0 INCH
s OPEN 10 FEET 1 INCH
s STRG 15 FEET 6-15/16 INCH
s INCL 36.64°
To calculate stairs given run (Length) only: If
you have a value stored in Height, it will
be used in the stair calculation. You will
need to clear the value by entering zero
into Height (e.g. 0 h).
STORED
STORED
STORED
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