User Manual

USER’S GUIDE — 99

Stairs — Given Rise and Run

You need to build a stairway with a floor-to-floor height of 10 Feet 1

Inch, a Run of 15 Feet 5 Inches, and a nominal desired Riser height

of 7-1/2 Inches (default). Calculate all stair values.

KEYSTROKE DISPLAY

1. Enter Rise and Run:

o o 0.

1 0 f 1 i r Y 10 FEET 1 INCH

1 5 f 5 i R X 15 FEET 5 INCH

2. Find stair values:

s R-HT 7-9/16 INCH*

s RSRS 16.

s R+/– 0 INCH

s T-WD 12-5/16 INCH

s TRDS 15.

s T+/– – 0-5/16 INCH

s OPEN 12 FEET 2-1/2 INCH

s STRG 18 FEET 0-3/4 INCH

s INCL 31.5588°

s RUN (X) 15 FEET 5 INCH

s RISE (Y) 10 FEET 1 INCH

s R-HT 7-1/2 INCH

s T-WD 10 INCH

s HDRM 6 FEET 8 INCH

s FLOR 10 INCH

*A yield symbol (

)

will light in the display meaning the calculated Riser height

exceeds the stored desired Riser height by 10%.

STORED