
10
C÷
Reciprocal (1/x) – Finds the Reciprocal of a number
(e.g.,
8C÷ =
0.125).
Construction and Prompting Keys
S
Square Up – Calculates the Square-Up (diagonal) Length, Area
and Perimeter when Length and Width are entered.
CS
LxWxH – Calculates Volume, Wall Surface Area, Wall + Ceiling
Area, Square-Up, Area and Perimeter when Length, Width and
Height are entered.
r
Rafter (Basic) – Calculates basic lengths and angles for Rafters.
Cr
Rafter (Advanced) – Calculates advanced lengths and angles
for Rafters.
h
Hip/Valley (Basic) – Calculates basic lengths and angles for
Regular and Irregular Hip/Valley Rafters.
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