Calculated Industries 4020 User manual

M EASURE M ASTER
™
P RO
FEET-INCH-FRACTION and METRIC CALCULATOR
Model 4020 v3.1
Pocket Reference Guide

The Measure Master Pro calculator helps
you save time, cut costly errors and
measure and estimate
like a pro!
Quickly Solve:
• Feet-Inches-Fractions, Yards, and
Metric Dimensional Problems
• Feet-Inches-Fractions, Yards, and
Metric Conversions
• Problems Involving All Fractions –
1/2-1/64ths!
• Instant Areas, Volumes and Weights
• Circle/Arc Calculations
• Material Quantity (e.g., Concrete,
Flooring)
• Squaring-up, and more
MEASURE MASTER™PRO V3.1

KEY DEFINITIONS..................................1
Basic Function Keys............................1
Unit Keys .............................................2
Circle/Arc Keys....................................4
Miscellaneous Functions .....................5
Paperless Tape Example.....................7
Preference Settings.............................8
EXAMPLES...........................................10
Adding and Subtracting Strings of
Dimensions....................................10
Multiplying Dimensions......................10
Dividing Dimensions ..........................11
Percent Calculations..........................11
Square Area.......................................12
Square Root.......................................12
Rectangular Area and Volume...........13
Multi-Function hKey.....................14
Entering Square and Cubic and
Adding a Waste Allowance............14
Linear Conversions............................15
Square and Cubic Conversions.........16
Weight Conversions...........................17
Weight per Volume ............................17
Using the Memory .............................18
Using the Memory—
Finding Quantity
of Carpet Required
........................20
Board Feet and Cost .........................20
TABLE OF CONTENTS

Circle Area and Circumference..........21
Arc Properties....................................22
Concrete Volume for Driveway..........23
Squaring-up a Foundation.................23
APPENDIX ............................................24
Setting Fractional Resolution.............24
Default Settings .................................25
Auto-Shut Off.....................................26
Accuracy/Errors.................................26
Batteries.............................................27
Replacing the Batteries .....................28
Reset .................................................28
AREA AND VOLUME FORMULAS......29
Area Formulas...................................29
Volume Formulas...............................30
REPAIR AND RETURN.........................31
Warranty, Repair and Return
Information.....................................31
WARRANTY..........................................32
FCC CLASS B ......................................34
LOOKING FOR NEW IDEAS................34

POCKET REFERENCE GUIDE — 1
Basic Function Keys
+ – x Arithmetic operation keys.
÷ =
0– 9Keys used for entering
and •numbers.
%
Percent Key — Four-func-
tion (+, –, x, ÷) percent key.
O
Off Key — Turns all power
off, clearing all non-perma-
nent registers.
o
On/Clear Key — Turns on
power. Pressing once
clears the display. Pressing
twice clears all temporary
values.
Ç
Convert Key — Used with
the dimensional keys to
convert between dimen-
sions or with other keys to
access special functions.
ß
Store Key — Used for stor-
ing values.
®
Recall Key — Used for
recalling stored values.
KEY DEFINITIONS

POCKET REFERENCE GUIDE — 2
Unit Keys
y
Yards Key — Enters or
converts to
Yards .
f
Feet Key — Enters or con-
verts to
Feet as whole or
decimal numbers. Also
used with the iand /
keys for entering Feet-Inch
values (e.g., 6 f 9 i
1 / 2). Repeated press-
es during conversions tog-
gle between Fractional and
Decimal Feet.
i
Inch Key — Enters or con-
verts to
Inches . Entry can
be whole or decimal num-
bers. Also used with the /
key for entering fractional
inch values (e.g., 9 i 1
/ 2). Repeated presses
during conversions toggle
between Fractional and
Decimal Inches.
/
Fraction Bar Key —
Used to enter
Fractions .
Fractions can be entered
as proper (1/2, 1/8, 1/16) or
improper (3/2, 9/8). If the

POCKET REFERENCE GUIDE — 3
denominator (bottom) is not
entered, the calculator's
fractional accuracy setting
is automatically used.
m
Meters Key — Enters or
converts to Meters .
c
Centimeters Key — Enters
or converts to
Centimeters .
M
Millimeters Key — Enters
or converts to
Millimeters .
Ç 2
Acres — Enters or converts
(a square value) to
Acres.
b Board Feet Key — Enters
or converts Cubic values
to Board Feet. One Board
Foot is equal to 144 Cubic
Inches.
l
Length — Enters length
for calculation of area or
volume.
W
Width — Enters width and
calculates area, square-up
and perimeter.
h
Height — Enters height
and calculates volume, wall
area and total room area.

POCKET REFERENCE GUIDE — 4
Ç 1 Kilograms — Enters or
converts to Kilograms.
Ç 3
Metric Tons — Enters or
converts to Metric Tons.
Ç 4
Pounds — Enters or con-
verts to Pounds.
Ç 6
Tons — Enters or converts
to Tons.
Circle/Arc Keys
C
Circle Key — Calculates
circle area and circumfer-
ence based on entered
diameter.
a
Arc Key — Calculates Arc
length or degree, Chord
Length, Segment Area, Pie
Slice Area and Segment
Rise based on entered
diameter/radius and Arc
Degree or length (e.g., if
Arc Degree is entered, it
will calculate arc length,
and vice versa).
Ç a
Radius – Enters or calcu-
lates the circle radius.

POCKET REFERENCE GUIDE — 5
Miscellaneous Functions
BBackspace key
Ç B ( ) Square Root
Ç ÷
( 1/x ) Reciprocal — Finds
the reciprocal of a number
(e.g., 8 Ç ÷ 0.125).
Ç x
Clear All — Returns all
stored values to the default
settings (does not affect
Preference Settings).
Ç – (+/–) Toggle
Ç + Pi (π) 3.141593
Ç %
x2 — Squares the value in
the display.
Ç ß Preference Settings
ß 0
Weight per Volume —
Stores a new
Weight per
Volume
value as listed on
the following page.
Note: After entering a value and
pressing
ß 0 , continue
pressing the
0 digit key until
you’ve reached the desired
Weight per Volume format. To
recall your setting, press
® 0 .
(Cont’d)

POCKET REFERENCE GUIDE — 6
(Cont’d)
• Ton Per CU YD
• LB Per CU YD
• LB Per CU FEET
• MET Ton Per CU M
• kG Per CU M
This value is stored until you
change it or perform a
Clear
All
(Ç x).
Ç 0 Total Cost (based on entry
of per unit cost)
Ç • Converts between D:M:S
and Decimal Degrees.
µ(M+) Memory +
Ç µ (M–) Memory –
® ® Recall and Clear M+
ß 1 (M1) Storage Register
ß 2 (M2) Storage Register
ß 3 (M3) Storage Register
® µ,Recall M+, M1, M2 or M3
1, 2or 3