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

POCKET REFERENCE GUIDE — 7
® = Paperless Tape – Useful for
checking figures, as it scrolls
through your past 20 entries
or calculations. Press ® =
to access Paperless Tape
mode. Press +or –to
scroll forward or backward.
Press =to exit mode and
continue with a new entry or
calculation.
Paperless Tape Example
Add 6 Feet, 5 Feet and 4 Feet, then
access the paperless tape mode and
scroll back through your entries. Then,
back up one entry, exit the tape mode
and add 10 Feet to the total.
KEYSTROKE DISPLAY
o o 0.
6 f + 6 FEET 0 INCH
5 f + 11 FEET 0 INCH
4 f = 15 FEET 0 INCH
® = TTL= 15 FEET 0 INCH
+01 6 FEET 0 INCH
+02 + 5 FEET 0 INCH
+03 + 4 FEET 0 INCH
–02 + 5 FEET 0 INCH
=TTL= 15 FEET 0 INCH
+ 1 0 f = 25 FEET 0 INCH

POCKET REFERENCE GUIDE — 8
Preference Settings
Press Ç , then ß , then keep pressing
ß to toggle through the main settings.
Press the
+ key to advance within sub-
setting. Use the
– key to back up. Press
the
o key to exit Preferences.
PRESS
ÇAND: SETTING--FUNCTION
First press Fractional Resolution:
of
ß : --1/16
+--1/32
+--1/64
+--1/2
+--1/4
+--1/8
+--1/16
(repeats options)
Second press Area Displays:
of
ß : --Std.
+--0. SQ FEET
+--0. SQ YD
+--0. SQ M
+--Std. (repeats options)
Third press Volume Displays:
of
ß : --Std.
+--0. CU YD
+--0. CU FEET
+--0. CU M
+--Std. (repeats options)

POCKET REFERENCE GUIDE — 9
Fourth press Exponential Mode:
of
ß : --OFF
+--On
+--OFF
(repeats options)
Fifth press Meter Linear Displays:
of
ß : --0.000 M
+--FLOAt M (floating point)
+--0.000 M (repeats options)
Sixth press Decimal Degree Displays:
of
ß : --0.00°
+--FLOAt
(floating point)
+--0.00° (repeats options)
Seventh press Fractional Mode:
of
ß : --Std.
+--COnSt
+--Std.
(repeats options)

POCKET REFERENCE GUIDE — 10
Adding and Subtracting Strings of
Dimensions
Add the following measurements:
• 6 Feet 2-1/2 Inches
• 11 Feet 5-1/4 Inches
• 18.25 Inches
Then subtract 2-1/8 Inches.
KEYSTROKE DISPLAY
o o 0.
6 f 2 i 1 / 2 +
6 FEET 2-1/2 INCH
1 1 f 5 i 1 / 4 +
17 FEET 7-3/4 INCH
1 8 • 2 5 i = 19 FEET 2 INCH
– 2 i 1 / 8 = 18 FEET 11-7/8 INCH
Multiplying Dimensions
What is the perimeter of a room with
three walls which measure 15 Feet 3-3/4
Inches each?
KEYSTROKE DISPLAY
3 x 1 5 f 3 i 3 / 4 =
45 FEET 11-1/4 INCH
EXAMPLES

POCKET REFERENCE GUIDE — 11
Multiply 5 Feet 3 Inches by 11 Feet 6-1/2
Inches:
KEYSTROKE DISPLAY
5 f 3 i x 1 1 f
6 i 1 / 2 = 60.59375 SQ FEET
Dividing Dimensions
Divide 15 Feet 3-3/4 Inches into thirds
(divide by 3):
KEYSTROKE DISPLAY
o o 0.
1 5 f 3 i 3 / 4 ÷ 3 =
5 FEET 1-1/4 INCH
How many 3’ 6” pieces can you cut from
one 25’ board?
KEYSTROKE DISPLAY
o o 0.
2 5 f ÷ 3 f 6 i = 7.142857
(or 7 whole pieces)
Percent Calculations
Add a 10% waste allowance to 2.78 Cubic
Yards.
KEYSTROKE DISPLAY
o o 0.
2 • 7 8 y y y + 1 0 %
3.058 CU YD

POCKET REFERENCE GUIDE — 12
What is 25% of $1,575?
KEYSTROKE DISPLAY
o o 0.
1 5 7 5 x 2 5 % 393.75
Square Area
Find the area of a square room with sides
measuring 15 Feet 8-1/2 Inches.
KEYSTROKE DISPLAY
o o 0.
1 5 f 8 i 1 / 2
15 FEET 8-1/2 INCH
Ç % (x2) 246.7517 SQ FEET
Square Root
What is the Square Root of 200?
KEYSTROKE DISPLAY
o o 0.
2 0 0 Ç B
( ) 14.14214

POCKET REFERENCE GUIDE — 13
Rectangular Area and Volume
Find the area and volume:
• Length: 20 Feet 6-1/2 Inches
• Width: 12 Feet 8-1/2 Inches
• Height: 10 Inches
KEYSTROKE DISPLAY
o o 0.
2 0 f 6 i 1 / 2 l
LNTH 20 FEET 6-1/2 INCH
1 2 f 8 i 1 / 2 W W*
AREA 261.0503 SQ FEET
1 0 i h h*
VOL 8.057109 CU YD
*Press W and h keys a second time (after
entry of Width and Height) to calculate Area
and Volume.

POCKET REFERENCE GUIDE — 14
Multi-Function hKey
Find the volume, wall area, and total
room area of an 18’ x 25’ room measuring
12’ tall.
KEYSTROKE DISPLAY
o o 0.
1 8 f l LNTH 18 FEET 0 INCH
2 5 f W WDTH 25 FEET 0 INCH
1 2 f h HGHT 12 FEET 0 INCH
hVOL 5400. CU FEET
hWALL* 1032. SQ FEET
hROOM** 1482. SQ FEET
*Wall Area adds the length and width, multiplies
them by two and then multiplies by height.
**Room Area=Wall Area+Ceiling Area
Entering Square and Cubic and Adding
a Waste Allowance
Add a 10% waste allowance to 55 Square
Feet. Then add a 20% waste allowance
to 150 Cubic Feet:
KEYSTROKE DISPLAY
o o 0.
5 5 f f + 1 0 % 60.5 SQ FEET
1 5 0 f f f + 2 0 %
180. CU FEET

POCKET REFERENCE GUIDE — 15
Linear Conversions
Convert 10 feet 6 inches to other dimen-
sions, including Metric:
KEYSTROKE DISPLAY
o o 0.
1 0 f 6 i 10 FEET 6 INCH
Ç y 3.5 YD
Ç i 126 INCH
Ç m 3.200 M
Ç c 320.04 CM
Ç M 3200.4 MM
Convert 14 Feet 7-1/2 Inches to Decimal
Feet:
KEYSTROKE DISPLAY
o o 0.
1 4 f 7 i 1 / 2
14 FEET 7-1/2 INCH
Ç f 14.625 FEET
Convert 22.75 Feet to Feet-Inches:
KEYSTROKE DISPLAY
o o 0.
2 2 • 7 5 f 22.75 FEET
Ç f 22 FEET 9 INCH

POCKET REFERENCE GUIDE — 16
Square and Cubic Conversions
Convert 14 Square Feet to Square Yards:
KEYSTROKE DISPLAY
o o 0.
1 4 f f 14 SQ FEET
Ç y 1.555556 SQ YD
Convert 25 Square Yards to Square Feet:
KEYSTROKE DISPLAY
o o 0.
2 5 y y 25 SQ YD
Ç f 225. SQ FEET
Convert 12 Cubic Feet to Cubic Yards:
KEYSTROKE DISPLAY
o o 0.
1 2 f f f 12 CU FEET
Ç y 0.444444 CU YD