Calculated Industries 4030 User manual

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USER’S
GUIDE
C ONSTRUCTION M ASTER
®
P RO
FOR MODELS:
4060 C ONSTRUCTION M ASTER
®
P RO
4030 C ONSTRUCTION M ASTER
®
P RO LT
44060 C
ONSTRUCTION M ASTER
®
P RO DT
44065 C
ONSTRUCTION M ASTER
®
P RO DT P RINTER
4075 C ONSTRUCTION M ASTER
®
P RO T RIG P LUS III
™
CALCULATED INDUSTRIES
®User’s Guide Construction Master®Pro Models 4030/4060/44060/44065/4075
Designed in the United States of America
Printed in China
Manual UG4060E-D
CM PRO MULTI UG COVER 4/9/03 4:58 PM Page 1

Construction Master Pro
Model 4060
Construction Master Pro LT
Model 4030
Construction Master Pro DT
Printer
(Desktop model)
Model 44065
Construction Master Pro
Trig Plus III
Model 4075
Construction Master Pro DT
(Desktop model)
Model 44060
CM PRO MULTI UG COVER 4/9/03 4:58 PM Page 2

User's Guide —1
CONSTRUCTION MASTER®PRO
USER’S GUIDE
This User’s Guide helps you solve common construction math and ma-
terial estimation problems using the latest Construction Master®Pro
calculators—five of the most powerful feet-inch-fraction calculators to
date:
The Construction Master Pro Series —
1. LT (#4030)
2. Handheld (#4060)
3. Trig Plus III (#4075)
4. Desktop (#44060)
5. New! Desktop with Printer (#44065)*
*CI now offers a Printing Model—the Construction Master Pro DT
Printer! It has all the features of the Construction Master Pro Desktop,
plus a built-in printer (see Appendix C).
IMPORTANT: The Construction Master Pro calculators share many
keys and functions. However, some keys and functions differ. Please
refer to the grid on page 8to see what features are applicable to your
model, so that you can follow the corresponding examples in this
User’s Guide. Note: the Desktop with Printer (#44065) operates almost
identically to the Desktop (#44060).

2—CONSTRUCTION MASTER PRO
TABLE OF CONTENTS
CONSTRUCTION MASTER®PRO USER’S GUIDE......1
INTRODUCTION .....................................................................7
CONSTRUCTION MASTER®PRO —KEY/FUNCTION
COMPARISON.........................................................................8
KEY DEFINITIONS..................................................................9
Basic Operation Keys.................................................................. 9
Convert [Conv] Key—Unit Conversions and Second Functions.....10
Memory and Storage Functions................................................11
Recall [Rcl] Key......................................................................12
Dimensional Measurement Unit Keys...........................................13
Weight Keys..............................................................................14
Construction Project Keys ..........................................................15
Block/Brick Key......................................................................15
Circular Function Keys ............................................................16
Column/Cone Key ...................................................................17
Footing Key............................................................................17
Right Triangle/Roof Framing Keys.............................................18
Hip/Valley and Jack Rafter Keys............................................20
Rake Wall Function..............................................................22
Roof Key ................................................................................23
Stair Key................................................................................24
Trigonometry Function Keys........................................................25
GETTING STARTED ............................................................27
ENTERING DIMENSIONS...................................................27
Entering Linear Dimensions......................................................27
Entering Square/Cubic Dimensions...........................................27
CONVERSIONS (LINEAR, AREA, VOLUME).................29
Linear Conversions ..................................................................29
Converting Feet-Inch-Fractions to Decimal Feet .........................29
Converting Decimal Feet to Feet-Inch-Fractions .........................30
Converting Fractional Inches to Decimal Inches..........................30
Converting Decimal Inches to Fractional Inches..........................30
Square Conversions.................................................................31

User's Guide —3
Cubic Conversions ..................................................................31
PERFORMING BASIC MATH WITH DIMENSIONS......32
Adding Dimensions .................................................................32
Subtracting Dimensions...........................................................32
Multiplying Dimensions............................................................32
Dividing Dimensions ................................................................33
Percentage Calculations..........................................................33
MEMORY OPERATION........................................................34
PAPERLESS TAPE OPERATION.....................................36
EXAMPLES —USING THE CONSTRUCTION
MASTER PRO.......................................................................38
LINEAR MEASUREMENT EXAMPLES...........................39
Adding Linear Measurements...................................................39
Cutting Boards........................................................................39
Window Measurement.............................................................40
Calculating the Center Point.....................................................40
AREA CALCULATIONS......................................................41
Square Area (x2).....................................................................41
Area of a Rectangular Room (LxW)...........................................41
VOLUME CALCULATIONS................................................42
Rectangular Containers (LxWxH)..............................................42
Volume of a Cylinder...............................................................43
Volume of a Cone ...................................................................43
WEIGHT/VOLUME CONVERSIONS.................................44
Weight Conversions ................................................................44
Weight per Volume/Volume Conversions...................................45
BLOCKS/BRICKS................................................................46
Number of Blocks (not available on LT and Trig Plus III)............46
Number of “Face” Bricks (not available on LT and Trig Plus III)...47
Number of “Paver” Bricks (not available on LT and Trig Plus III)..47
BOARD FEET —LUMBER ESTIMATION.......................48
Total Board Feet —With Dollar Cost........................................48

4—CONSTRUCTION MASTER PRO
CIRCLE CALCULATIONS ..................................................49
Circumference and Area of a Circle...........................................49
Circle Properties —Arc Length and Diameter Known..................49
Arched Windows.....................................................................51
Arc Length —Degree and Diameter Known ...............................52
Arc Length —Degree and Radius Known ..................................52
CONCRETE/PAVING...........................................................53
Volume of Concrete for a Driveway............................................53
Concrete Columns...................................................................54
Complex Concrete Volume.......................................................56
Concrete Footings (not available on Trig Plus III).......................58
Multiple Concrete Footings (not available on Trig Plus III)...........58
Squaring Up a Foundation........................................................59
FLOOR COVERING AREA CALCULATIONS.................60
Carpeting................................................................................60
GRADE/SLOPE.....................................................................61
Back-Fill on a Slope —Percent of Grade Known........................61
RIGHT TRIANGLE AND ROOF FRAMING EXAMPLES63
Roof Framing Definitions .............................................................63
Common Rafter Length............................................................66
Common Rafter Length —Pitch Unknown .................................67
Angle and Diagonal (Hypotenuse).............................................67
Rise.......................................................................................68
Rise and Diagonal...................................................................68
Finding Sheathing Cut .............................................................69
Regular (45°) Hip/Valley and Jack Rafters (not available on LT)...70
Jack Rafters —Using Other Than 16 Inch On-Center Spacing (not
available on LT)......................................................................72
Irregular (non-45°) Hip/Valley and Jack Rafters —Descending,
with On-Center Spacing Maintained (not available on LT)..........73
Irregular (non-45°) Hip/Valley and Jack Rafters —Ascending, with
Jacks Mating at Hip/Valley (not available on LT).............75
Rake Wall –No Base..............................................................77
Rake Wall –With Base...........................................................79
ROOFING MATERIALS........................................................80
Roof Covering —Bundles of Roof Shingles (not available
on LT and Trig Plus III)............................................................80

User's Guide —5
Roof Covering —Number of Shingles .......................................81
Area for Roofing Materials........................................................82
STAIR LAYOUT EXAMPLES..............................................83
Stair Layout Definitions...............................................................83
Stairs —Given Floor-to-Floor Rise...........................................85
Stairs —Given Rise and Run...................................................86
Stair Risers Only —Custom Height..........................................87
Baluster Spacing ....................................................................88
NUMBER OF STUDS...........................................................89
TRIGONOMETRY AND D:M:S EXAMPLES....................90
Practical Trigonometric Formulas ................................................90
Converting Degrees:Minutes:Seconds.......................................91
Time Calculations Using D:M:S................................................92
Percent Grade/Slope...............................................................92
Converting Tangent/Pitch to Angle............................................93
Converting Roof Angle to Pitch.................................................93
Angle —Rise and Hypotenuse Known (Trig Plus III and Desktop
Only)......................................................................................94
APPENDIX A —DEFAULT SETTINGS ...........................95
Metric Mode...........................................................................95
APPENDIX B —PREFERENCE SETTINGS..................96
How to Set Preferences...........................................................99
LT (#4030).........................................................................100
Handheld (#4060) and Desktop (#44060)..............................101
Trig Plus III (#4075) ............................................................103
APPENDIX C —USING THE DESKTOP PRINTING
MODEL (DT PRINTER: #44065)......................................105
Printer Keys............................................................................105
Connecting the AC Adapter.......................................................108
Using Battery Power ................................................................109
Replacing the Paper Roll ..........................................................110
Replacing the Ink Roller............................................................112
Notes on Using the Printer........................................................114
APPENDIX D —IMPORTANT NOTES FOR OWNERS
OF PREVIOUS CONSTRUCTION MASTERS®...........117

6—CONSTRUCTION MASTER PRO
APPENDIX E —ACCURACY, AUTO SHUT-OFF,
BATTERIES, ERRORS..................................................... 119
Accuracy/Errors....................................................................119
Auto Shut-Off........................................................................120
Battery(ies)...........................................................................120
Replacing the Battery(ies)......................................................120
Battery Replacement Instructions ...........................................120
Reset Key ............................................................................121
APPENDIX F —AREA/VOLUME FORMULAS............ 122
REPAIR AND RETURN.................................................... 124
WARRANTY........................................................................ 125
INDEX................................................................................... 128

User's Guide —7
INTRODUCTION
The Construction Master Pro line includes the most advanced feet-
inch-fraction calculators designed specifically for building pro’s!
The Pro calculators handle practically any problem involving measure-
ments and can be used to save time, prevent errors, and accurately
perform common building projects such as: estimating concrete vol-
ume, squaring up foundations, framing roofs, ordering lumber, building
stairs, walls, laying driveways, carpet or floor covering, figuring precise
angle calculations, or simply working in feet-inch-fractions or decimal
feet!
Your Calculator Helps You Solve:
•Dimensional Math Problems
•Conversions Between Feet-Inch-Fractions, Decimal Feet, Deci-
mal Inch and Yards
•English/Metric Conversions
•Problems Involving All Common Fractions –1/2" to 1/64"!
•Area/Volume Calculations
•Board Feet/Lumber Calculations
•Circle Calculations
•Material Estimations and Costs
•Rake Walls
•Right Angle/Triangle Solutions
•Stair Layout (Risers/Treads)
•Weight/Volume Conversions
Selected Models Also Solve:
•Block/Brick, Concrete Footing, Column and Roof Bundle
Material Estimation
•Complete Rafter Solutions (Regular and Irregular Hip/Valley Raf-
ters, Jack Rafters and Cut Angles)
•Trigonometry Calculations

8—CONSTRUCTION MASTER PRO
CONSTRUCTION MASTER®PRO —
KEY/FUNCTION COMPARISON
The Construction Master Pro calculators vary slightly in keys and func-
tions, sharing basic measurement unit, right triangle and stair keys.
Some models additionally compute advanced roof framing problems,
project material estimations, or advanced Trigonometry applications.
Note: The DT (Desktop) with Printer (#44065) operates almost identi-
cally to the DT (#44060).
AVAILABLE KEYS
OR FUNCTIONS LT (#4030)
Hand-
held
(#4060)
DT
(#44060
)
Trig
Plus III
(#4075)
Works in All Fractions
(1/2"-1/64") ••••
Dimensional Unit Keys
and Conversions (Feet,
Inches, Fractions,
Yards, Metric, Acres)
••••
Weight Keys and
Conversions (lbs, kg,
tons, Metric tons)
••••
Block/Brick ••
Board Feet ••••
Circle ••••
Column •••
$Cost ••••
D:M:S ••••
Footing •••
Pitch, Rise, Run, Diag. ••••
Rake Wall ••••
Roof Framing Keys
(Reg. and Irreg. Hip/
Valley, Jacks, Cuts)
•••
Roof Area and Bundles ••
Stair ••••
Trigonometric Keys ••
Preference Settings ••••

User's Guide —9
KEY DEFINITIONS
BASIC OPERATION KEYS
[On/C] —On/Clear
Turns power on. Pressing once clears the display. Pressing twice
clears all temporary values.
[Off]
Turns all power off, clearing all non-permanent registers.
[+] [–] [x] [÷] [=]
Arithmetic operation keys.
[%]
Four-function percent key.
[0] –[9] and [ •• ]
Digits used for keying in numbers.
[00] (Desktop Only)
Enters “00” to save keystrokes (e.g., 1 [00] to enter 100).
[u]—Backspace Key
Used to delete entries one keystroke at a time (unlike the [On/C]
function, which deletes the entire entry).

10 —CONSTRUCTION MASTER PRO
Convert [Conv] Key—Unit Conversions and Second
Functions
The [Conv] key is to convert between measurement units or to
access second functions, listed below:
[Conv] —Convert
Used with the measurement keys to convert between units or with
other keys to access special functions.
[Conv] [ x ] —All Clear
Clears all values, including Memory. Resets all permanent settings
to defaults.
þþ Note: Use only when necessary, as it deletes all stored values.
[Conv] [%] —x2
Squares the value in the display. For example, to square the value
10, enter 10 then [Conv] [%].
[Conv] [uu ]—Square Root Function (√)
Used to find the square root of a non-dimensional or area value (e.g.,
100 [Conv] [uu ]= 10).
[Conv] [ / ] —x10x
Allows entry of an exponent. For example, 8 [Conv] [/] 14 is 8 times
10 to the 14th power.
[Conv] [ ÷ ] —1/x
Finds the reciprocal of a number (e.g., 8 [Conv] [÷] = 0.125).
[Conv] [ –] —Change (+ / –) Sign
Toggles the sign of the displayed value to plus or minus.
[Conv] [ + ] —Pi (ππ)
Constant = 3.141593
[Conv] [ •• ] —Degrees: Minutes: Seconds
Converts between D:M:S and decimal degree formats.

User's Guide —11
[Conv] [ 9 ] —Total Cost
Computes total material cost given a unit dimension and an entered
Per Unit Cost.
[Conv] [ Stor ] —Access Preference Settings
Used to access various customizable settings, such as dimensional
answer formats (see Preference Settings on page 96).
Memory and Storage Functions
Your calculator has two types of Memory:
1) basic memory or semi-permanent, cumulative [M+];
2) non-cumulative Storage Registers (M1) and (M2).
[M+] —Semi-Permanent Memory
Adds any displayed number, dimensioned or unitless, to the semi-
permanent, accumulating Memory. Values can be subtracted from
this Memory using [Conv] [M+]. [Rcl] [Rcl] will recall and clear the
Memory. [Conv] [Rcl] will clear the accumulating Memory without
disturbing the existing display.
[Stor] [1] —Storage Register (M1)
Stores the displayed value in non-cumulative, permanent Memory
(e.g., 10 [Stor] [1], [Rcl] [1] = 10). Good for storing a single value, for
future reference.
þþ Note: Non-cumulative means it only accepts one value (does not
add or subtract) and a second entered value will replace the first.
Permanent means the value is stored even after the calculator is
shut off. To delete a stored value, enter a new value or perform an All
Clear [Conv] [x].
[Stor] [2] —Storage Register (M2)
Same function as [Stor] [1]. See above.

12 —CONSTRUCTION MASTER PRO
Recall [Rcl] Key
The [Rcl] key is used to recall or review stored values (e.g., [Rcl]
[Pitch] to recall a previously entered pitch value). It is also used in re-
viewing stored settings, or in Paperless Tape and Memory operation
(see below).
[Rcl] [ = ] —Paperless Tape
Accesses the paperless tape mode (see “Paperless Tape,” page
36), which keeps track of your past 20 entries. Useful for checking
strings of numbers.
[Rcl] [Rcl] —Clear M+
Displays and clears M+.
[Rcl] [M+] —Recall M+
Displays value stored in M+.
[Rcl] [1] —Recall M1
Recalls the stored value in M1.
[Rcl] [2] —Recall M2
Recalls the stored value in M2.

User's Guide —13
DIMENSIONAL MEASUREMENT UNIT KEYS
The following keys are used for entering units of measure, with ease
and accuracy:
[Yds] —Yards
Enters or converts to yards.
[Feet]
Enters or converts to feet. Also used with the [Inch] and [/] keys for
entering feet-inch values (e.g., 6 [Feet] 9 [Inch] 1 [/]2). Note: Re-
peated presses after [Conv] toggle between feet-inches and decimal
feet (e.g.,6 [Feet] 9[Inch] 1 [/]2 [Convert] [Feet] =6.791667 feet;
press [Feet] again to return to feet-inch-fractions).
[Inch]
Enters or converts to inches. Also used with the [/] key for entering
fractional inch values (e.g., 9 [Inch] 1 [/] 2). Note: Repeated presses
after [Conv] toggle between fractional and decimal inches (e.g., 9
[Inch] 1 [/] 2 [Convert] [Inch] = 9.5 inch; press [Inch] again to re-
turn to inch-fractions).
[ / ] —Fraction Bar
Used to enter fractions. Fractions may be entered as proper (1/2,
1/8, 1/16) or improper (3/2, 9/8). If the denominator (bottom) is not
entered, the calculator's fractional resolution setting is automatically
used (e.g., entering 15 [/] [=] or [+] will display 15/16, based on the
default fractional resolution setting of 16ths (default setting for Trig
Plus III is 64ths).
[m] —Meters
Enters or converts to meters.
[Conv] [5] —Centimeters
Enters or converts to centimeters.
[mm] —Millimeters
Enters or converts to millimeters.

14 —CONSTRUCTION MASTER PRO
[Conv] [ 2 ] —Acres
Enters or converts (a square value) to acres.
[Conv] [ 0 ] —Board Feet
Enters or converts cubic values to board feet. One board foot is equal
to 144 cubic inches.
WEIGHT KEYS
[Conv] [ 1 ] —Kilograms
Enters or converts (a weight or volume value) to kilograms. A dimen-
sioned volume will convert using the stored weight per volume value.
[Conv] [ 3 ] —Metric Tons
Enters or converts (a weight or volume value) to Metric tons. A di-
mensioned volume will convert using the stored weight per volume
value.
[Conv] [ 4 ] —Pounds (lbs)
Enters or converts (a weight or volume value) to pounds. A dimen-
sioned volume will convert using the stored weight per volume value.
[Conv] [ 6 ] —Tons
Enters or converts (a weight or volume value) to tons. A dimensioned
volume will convert using the stored weight per volume value.
[Conv] [ 8 ] —Store Weight per Volume
Stores a new weight per volume value as tons per cubic yard (default
= 1.5 tons per cubic yard), or other format, as listed below:
þþ Note: After entering a value and pressing [Conv] [8], continue press-
ing the [8] digit key until you’ve reached the desired weight per vol-
ume format. To recall your setting, press [Rcl] [8].
•Ton Per CU YD
•LB Per CU YD
•LB Per CU FEET
•Ton Per CU M
•kG Per CU M

User's Guide —15
Construction Project Keys
The following Construction Project Keys help you instantly figure quan-
tities and costs of materials, so you can build like a pro!
Block/Brick Key
The Block key helps you quickly estimate the quantity of blocks or
bricks required for building walls, walkways or other areas.
[Block] —Number of Blocks or Bricks
Calculates the total number of concrete blocks required to fill a given
area. Uses a standard block/mortar area of 128 square inches. This
key can also be used for calculating the number of “face” or “paver”
bricks by storing a brick size (see below).
[Stor] [Block] —Store Block or Brick Size
Used to store a size other than the default block size of 128 square
inches (e.g., 120 [Stor] [Block] stores a size of 120 square inches).
This value is permanently stored until you change it or perform an All
Clear. To recall the stored setting, press [Rcl] [Block].
þþ Note: For Brick Estimates—You may also enter a brick size using
[Stor] [Block]. For example, when building with standard “face”
bricks, enter a brick size of 21 square inches (21 [Stor] [Block]) or
store a “paver” brick size of 32 square inches (32 [Stor] [Block];
based on Modular U.S. brick size of 3-5/8 inches x 2-1/4 inches x
7-5/8 inches, including 3/8 inch mortar = 4 inches x 2-5/8 inches x 8
inches).

16 —CONSTRUCTION MASTER PRO
Circular Function Keys
The circle key helps you quickly solve circular area, volume or arc
problems.
[Circ] —Circle
Displays and calculates the following values, given an entered circle
diameter* or radius:
•diameter
•circle area
•circumference
*To enter a diameter (e.g., 10 feet), press 10 [Feet] [Circ].
[Conv] [Diag] —Radius
Enters or calculates the circle radius (e.g., 5 [Feet] [Conv] [Diag]).
[Conv] [Circ] —Arc Length or Degree of Arc
Enters or calculates arc length or degree of arc, and further solves for
additional circular values, listed below.
If a circle diameter and arc degree (or arc length) are entered, further
presses of [Circ] will display and calculate the following:
•arc length or degree of arc
•chord length
•segment rise
•pie slice area
•segment area (between the chord and the arc)
[Run] —Run (Chord Length)
Used with [Rise] or [Conv] [Diag] to find the chord length or the ra-
dius of a circular segment. If the segment rise and radius have been
entered, this key will display the chord length of the circular seg-
ment.

User's Guide —17
[Rise] —Rise (Segment Rise)
Used with [Run] or [Conv] [Diag] to find the rise or the radius of a
circular segment. If the chord length and radius have been entered,
this key will display the segment rise of the circular segment.
Column/Cone Key
The Column and Cone functions help you quickly estimate volume and
surface area of columns or cones.
[Column]
Calculates the total volume and surface area of a column using the
values stored in [Circ] and [Rise].
[Conv] [Column] —Cone
Calculates the total volume and surface area of a cone using the val-
ues stored in [Circ] and [Rise].
Footing Key
The Footing key helps you quickly estimate the volume of concrete re-
quired for concrete footings.
[Ftg] —Footing
Calculates total quantity of concrete required based on a given wall
length and footing size. Size based on standard or default footing
size equal to 1.8 square feet or 259.2 square inches.
[Stor] [Ftg] —Store Footing Area
Used to store a value other than the default of 1.8 square foot
footing size (e.g., 128 [Stor] [Ftg] stores a footing size of 128
square inches). This value is permanently stored until you change it
or perform an All Clear. To recall the stored setting, press [Rcl]
[Ftg].

18 —CONSTRUCTION MASTER PRO
Right Triangle/Roof Framing Keys
Right Triangle:
Diagonal
Run
Rise
Using the Pythagorean theorem, the top row of keys on your Construc-
tion Master Pro provide instant solutions in dimensional format to right
triangle problems (particularly, roof framing).
The Construction Master Pro’s keys are labeled in easy to remember
roofing terms. The right triangle is calculated simply by entering two of
four variables: 1) Rise, 2) Run, 3) Diagonal or 4) Pitch.
[Pitch]
Enters or calculates the pitch (slope) of a roof (or right triangle).
Pitch is the amount of "rise" over 12 inches (or 1 meter) 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]
Pitch °°
Pitch = Unit Rise
Unit Run