Calculated Industries Construction Master IV User Manual page 13

[Circ]
[Conv]
[Circ]
When the [Stair] key is preceded
by a linear or undimensioned
entry, the value will be permanent-
ly stored as the "Desired Riser
Height". Undimensioned values
are assumed to be millimeters
when in Metric Mode or inches if
in English Mode. Default = 185
millimeters for Metric Mode (7-
1/2 inches for English Mode).
Circle — Based on an entered
dimensioned diameter, repeated
presses display the following circu-
lar values: 1) diameter, 2) surface
area 3) circumference.
Arc Length — Used to find the arc
length based on an entered diame-
ter and angle. For example: 50
[mm] [Circ] 180 [Conv] [Circ]
would display an Arc length of
78.53982 millimeters for an
entered diameter of 50 millimeters
and a 180° angle.
13 — User's Guide