Calculated Industries 4065 v3.1 Pocket Reference Guide Advanced Consnruction-Math - Manual (Page 35)

P OCKET R EFERENCE G UIDE — 31
Stairs — Given Rise Only
You’re building a stairway with a total rise
of 3000 mm. Using the default riser height
of 200 mm and tread width of 250 mm,
find the stair values:
KEYSTROKE DISPLAY
1. Enter known Rise:
o o
0.
3 0 0 0 Ç 9 r
RISE 3000.
MM
2. Recall stored desired stair riser height:
® 7
R-HT
STORED
200.
MM
3. Recall stored desired stair tread width:
® 9
T-WD
STORED
250.
MM
4. Find stair values:
s
R-HT 200.
MM
s
RSRS 15.
s
R+/– 0.
MM
s
T-WD STORED
250.
MM
s
TRDS 14.
s
T+/– 0.
M
s
OPEN 2853.
MM
s
STRG 4482.
MM
s
INCL 38.66°