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Right triangle/rafter keys – Calculated Industries 4045-B User Manual

Page 8

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8 — Construction Master IV

Right Triangle/Rafter Keys

[Pitch]

This key is used to enter or calculate
the pitch (slope) of a roof (or right tri-
angle). Pitch is the amount of "Rise"
over 12 inches (1 meter, if metric) of
"Run." Pitch may be entered as:
a dimension 9 [Inch] [Pitch]
an angle

30 [Pitch]

a ratio

0.75 [Conv] [Pitch]

a percentage 75 [%] [Pitch]

A pitch entry will remain in perma-
nent storage until revised or reset. A
solution will be replaced by its en-
tered value once the calculator is
cleared.

[Rise] — Rise Key

Enters or calculates the rise or verti-
cal leg (height) of a right triangle.

[Run] — Run Key

Enters or calculates the run or hori-
zontal leg (base) of a right triangle.

[Diag] — Diagonal Key

Enters or calculates the common or
diagonal leg (hypotenuse) of a right
triangle. Typical applications are
“squaring" slabs or finding common
rafter lengths.