User's Guide — 11
Stair & Circle Keys
[Stair] — Stair Key
A multi-function key that enters a
desired riser height and uses the
rise and run values to compute and
display the following:
Press Result
1 Number of Risers
2 Actual Riser Height
3 Riser Overage/Underage
4 Number of Treads
5 Actual Tread Width
6 Tread Overage/Underage
7 Stringer Length
8 Inclination Angle
Default value is 7-1/2 inches (Met-
ric Mode: 185 millimeters).
[Circ] — Circle
Displays the following values,
given an entered diameter:
1) diameter,
2) area, and
3) circumference.
[Conv] [Circ] — Arc Length
Calculates the arc length based on
an entered diameter and angle.
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