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C

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 M

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 P

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 eZ

1

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he 

Construction Master Plus EZ

 (CMP EZ) is the newest in 

Calculated Industries′ line of award-winning Construction Master 

Plus construction-math calculators. The big difference between the 

CMP EZ and the other models is that, in addition to many more built-in 

calculations, the CMP EZ is a Prompting Calculator. 

With a Prompting Calculator, you select a function and then scroll 

through a series of prompts for quantities, measurements, placement, 

materials and other possible inputs. After entering the inputs, you can 

then

 scr

oll through all the available calculations and solutions. You 

can also change an input (or multiple inputs) and then re-solve the 

problem, instantly seeing how the new entry changes calculations 

without having to re-enter the entire problem.

The 

Construction Master Plus EZ

 has Basic and Advanced solutions 

(lengths, angles, quantities, etc.) for these construction calculations:

● Rafters

● Hip/Valley Rafters 

● Jack Rafters

● Stairs

Other solutions include

● Square-Ups, Areas and Volumes

● Circular

● Arcs 

● Rake Walls

● Arch Studs

● Balusters ─ Cap Wall and Open Wall

● Elliptical Arches  

● Crown Molding

● Compound Angles

● Polygons

● Spacing

● Material Calculations for Blocks, Drywall, Fencing, Footings, 

Pavers, Roofing, Studs, Tile and Grout

Table of ConTenTs

GettinG Started

.......................................................................................

2

Key Definitions

 ..........................................................................................

2

Basic Function Keys ..............................................................................

2

Dimensional Function Keys ...................................................................

2

Weight and Volume Function Keys .......................................................

2

Miscellaneous Functions .......................................................................

2

Construction and Prompting Keys .........................................................

3

USinG the ConStrUCtion MaSter PLUS eZ

 .........................................

3

Default Values

 ...........................................................................................

3

Functions — U.S. Mode ........................................................................

3

Functions — Metric Mode .....................................................................

3

Materials — U.S. Mode .........................................................................

4

Materials — Metric Mode ......................................................................

4

Extras — U.S. Mode ..............................................................................

4

Square-Up and LxWxH Functions

 .............................................................

4

Square-Up .............................................................................................

4

Extras — Metric Mode ...........................................................................

4

LxWxH ...................................................................................................

4

Rafter Function

 ..........................................................................................

5

Basic Rafters .........................................................................................

5

Advanced Rafters ..................................................................................

5

Hip/Valley Rafter Function

 .........................................................................

5

Basic Hip/Valley Rafters ........................................................................

5

Advanced Hip/Valley Rafters .................................................................

6

Advanced Function with Common Pitch ................................................

6

Advanced Function with Irregular Pitch .................................................

6

Jack Rafter Function

 .................................................................................

6

Basic Jack Rafters .................................................................................

6

Jack Rafters – Advanced Function ........................................................

7

Stair Function

 ............................................................................................

7

Basic Stairs ...........................................................................................

8

Summary of Contents for Construction Master plus EZ 4067

Page 1: ...alculations Rafters Hip Valley Rafters Jack Rafters Stairs Other solutions include Square Ups Areas and Volumes Circular Arcs Rake Walls Arch Studs Balusters Cap Wall and Open Wall Elliptical Arches C...

Page 2: ...to units of meters with repeated presses toggling between meters and millimeters C7 Centimeters cm Identifies entry as centimeters with repeated presses toggling between linear area and volume units...

Page 3: ...truction Master Plus EZ is a Prompting Calculator To use it you simply select a function and then scroll through a series of prompts for quantities measurements placement materials and other possible...

Page 4: ...n Molding Corner Angle 90 Spring Angle 45 Spacing Object Width 38 mm End Position 1 Beginning Mark Position 2 On Center Construction Examples For each of the functions shown in the User s Guide there...

Page 5: ...fter function Cr 3 Enter 8 Pitch 8ie 4 Enter 12 Run 12fe 5 Enter 18 Overhang 18ie 6 Enter 2 1 4 Total Fascia Thickness 2i1 4e 7 Accept 1 1 2 default value for Ridge Thickness e 8 Accept 7 1 4 default...

Page 6: ...ng and 2 1 4 Total Fascia Thickness 1 Clear Calculator OOO 2 Start Advanced Hip Valley function Ch 3 Enter 8 Common Pitch 8ie 4 Enter 12 Run 12fe 5 Enter 10 Irregular Pitch 10ie 6 Enter 18 Overhang 18...

Page 7: ...n center Spacing is also a possible solution that displays when both of the following are true 1 Common and Irregular Pitches are not equal and 2 Jack Alignment Preference is set to MATE rather than O...

Page 8: ...r to Floor Rise 10f1ie 4 Accept default 7 1 2 Max Riser Height e 5 Enter 15 5 Stair Run 15f5ie 6 Accept default 10 Top Floor Thickness e 7 Accept default 80 Headroom Height and solve for Basic Stairs...

Page 9: ...splay indicates the Actual Riser Height exceeds the stored Target Riser Height Default value 7 1 2 Circular Function Required Entries Possible Solutions Enter one of these Diameter Radius Perimeter Ar...

Page 10: ...Arc Angle displays enter 145 Arc Angle and solve for Arc values e145e RADIUS 6 FEET 5 1 4 INCH e ARC LENGTH 16 FEET 3 7 16 INCH e CHORD LENGTH 12 FEET 3 5 16 INCH e ARC SEGMENT AREA 40 522806 SQ FEET...

Page 11: ...Tread Baluster On Center Spacing Rail Remaining Baluster Heights Shown if Shortest Baluster Height is entered Baluster On center Rail Positions Shown if Number of Treads is entered Optional Entries Mi...

Page 12: ...alue for Sheet Width e 11 Accept 5 default value for Waste Factor and solve for Drywall Materials e NUMBER OF SHEETS TTL 58 e NUMBER OF SHEETS WALL 33 e NUMBER OF SHEETS CEIL 25 e JOINT TAPE LNTH 731...

Page 13: ...3 Roof Area Number of Squares Number of Bundles Nails Required Nail Weight Number of 4x8 Sheets Optional Entries Roof Pitch Waste Factor Default value 5 Using default values find the Material quantiti...

Page 14: ...Elliptical Arch Crown Molding Compound Angle Polygons Spacing Preference Settings Press C then N to access the Extras functions Press N until Preferences displays and press e Continued presses of the...

Page 15: ...es Possible Solutions Height Width Stud On Center Spacing Default value 16 Stud Location Default setting Outside the Arch Center to Foci Length Foci to Foci Length String Point to Point Length String...

Page 16: ...meter Perimeter Area Solve for a Polygon with 8 sides each 10 long 1 Clear Calculator OOO 2 Go to Extras function CN If necessary continue pressing N until POLYGON displays 3 Start Polygon function e...

Page 17: ...s to the nearest 16th of an Inch 1 32 displays fractional values to the nearest 32nd of an Inch 1 64 displays fractional values to the nearest 64th of an Inch 1 2 displays fractional values to the nea...

Page 18: ...yed in the set Fractional Resolution Appendix B BASIC CALCULATOR FUNCTIONS and dIMENSIONAL MATH OPERATIONS Linear Dimensions Examples of how linear dimensions are entered press O after each entry Dime...

Page 19: ...800 hours of actual use Should your calculator display become very dim or erratic replace the battery Note Please use caution when disposing of your old battery as it contains hazardous chemicals Rep...

Page 20: ...ND YOU THE PURCHASER ASSUME THE ENTIRE RISK AS TO ITS QUALITY AND PERFORMANCE IN NO EVENT WILL CI BE LIABLE FOR DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN...

Page 21: ...ht 4 2 10 1 2 4 2 10 1 2 3 2 9 1 8 3 2 9 1 8 2 11 3 16 2 11 3 16 1 2 9 16 1 2 9 16 Center Stud 2 9 16 8 1 Chord Length 2 Base 2 10 1 2 Arch Height 4 4 10 1 2 4 4 10 1 2 3 4 9 1 8 3 4 9 1 8 2 2 11 16 2...

Page 22: ...e Thickness 1 1 2 12 8 Rake Wall function Position 1 5 4 1 2 Position 2 12 6 Position 2 19 7 1 2 Objects 42 wide Object Gap 3 7 1 2 On Center spacing 7 1 1 2 Position 1 5 8 from wall Position 2 11 7 f...

Page 23: ...ness Nosing Length Tread Width Riser Thickness Riser Height Inclination Angle Toe Position Last Toe Position 1 Minimum Stairwell Opening Minimum Stairwell Opening Headroom Height Top Floor Thickness S...

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