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90 — C
ONSTRUCTION
M
ASTER
®
P
RO
/ T
RIG
/ D
ESKTOP
The Construction Master Pro Workbook and Study Guide has been
written with keystroke examples, illustrations and solutions using
Construction Master Pro v3.1. If you are using a Construction Master
Pro v3.0 it is important to understand the changes or enhancements
to the v 3.1 edition. The version number you are using appears next
to the model number 4065 on the left side of the face of the calculator.
You can also refer to your User’s Guide for more information on any of
the following functions.
NEW/ENHANCED FUNCTION DESCRIPTION
Accumulative Memory (M+) – Now also displays the average and the
count upon repeated key presses of µ.
Arc and Circle Calculations – Arc and Circle values can now be solved by
entering any two of the following values: Arc
Length/Angle, Diameter/Radius, Chord Length,
and Segment Rise.
Arched Segment Walls – Now calculates the segment walls outside
the arc (including a base, if needed), or cal-
culates the arched segment walls inside the
arc, depending upon preference setting.
Blocks Function – Now solves for blocks based on values
stored in l only or in l
and
h.
Compound Miter – Now calculates the Miter and Bevel angles
using the spring (crown) angle (this is the
angle of the crown molding to the wall; previ-
ous version 3.0 used the angle of the crown
molding to the ceiling).
Column/Cone Function – Column/Cone Height is now entered using
the h key instead of the r key
(excludes Model #4080).
Footing Function – Default footing area is now 264 Square
Inches (instead of 1.8 Square Feet).
Height – Displays Volume, Wall Area, and Room
Area only (excludes display of Area, Square-
Up, and Perimeter, which are displayed in
the Width function).
Jack Rafters – Now displays the incremental adjustment,
which is the difference in rafter length from
one rafter to the next.
APPENDIX D —
IMPORTANT NOTES FOR OWNERS
OF PREVIOUS CONSTRUCTION MASTERS
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