background image

P

OCKET

R

EFERENCE

G

UIDE

— 37

Stairs — 

Given Only the Floor-to-Floor

Rise; Entering Other Than 7-1/2 Inch
Desired Riser Height

Find stair values if the Floor-to-Floor Rise
is 12 Feet 6 Inches, and the desired Riser
Height is 8 Inches:

KEYSTROKE

DISPLAY

1. Enter desired Riser Height and Floor-to-
Floor Rise:

o o

0.

8 i Ç 7

R-HT 

INCH

1 2 f 6 i r

RISE  12 

FEET

INCH

2. Calculate stair values:

s

R-HT  7-7/8 

INCH

s

RSRS  19.

s

R+/–  – 0-3/8 

INCH

s

T-WD 

10 

INCH

s

TRDS  18.

s

T+/–  0 

INCH

s

STRG  19 

FEET

1-1/8 

INCH

s

INCL 38.22°

s

RUN  15 

FEET

INCH

*

s

RISE 

12 

FEET

INCH

s

R-HT 

INCH

s

T-WD 

10 

INCH

*Note: Run is calculated based on Tread values,
as it was not entered. The Total Run of a stair-
way is equal to the width of each Tread multi-
plied by the number of Treads.

STORED

STORED

STORED

STORED

STORED

Summary of Contents for 4050 v3.1

Page 1: ......

Page 2: ...s Metric Dimensional Problems and Conversions Problems Involving All Fractions 1 2 1 64ths Areas Volumes and Weights Circle Arc Calculations Common Hip Valley Jack Rafter Lengths Regular and Irregular...

Page 3: ...d Cubic Dimensions 13 Linear Conversions 14 Square and Cubic Conversions 15 BASIC MATH OPERATIONS 15 EXAMPLES 16 Adding and Subtracting Strings of Dimensions 16 Multiplying Dimensions 16 Dividing Dime...

Page 4: ...ular Hip Valley and Jack Rafters 31 Irregular Hip Valley 33 Rake Wall No Base 34 STAIRS 35 Stairs Given Rise and Run 35 Stairs Given Only the Floor to Floor Rise Entering Other Than 7 1 2 Inch Desired...

Page 5: ...all non perma nent registers o On Clear Key Turns on power Pressing once clears the display Pressing twice clears all temporary values Convert Key Used with the dimensional keys to convert between dim...

Page 6: ...yed value from Memory Memory Clear Clears Memory without changing current display Memory Clear Clears Memory and displays Memory Total Dimension Keys y Yards Key Enters or converts to Yards f Feet Key...

Page 7: ...n 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 denomina tor bottom is not entered the calculator s fractional accuracy setting is auto mat...

Page 8: ...a and Circumference based on entered Diameter C Arc Calculates Arc Length or Degree based on entered Diameter and Arc Degree or Length e g if Arc Degree is entered it will calculate Arc Length and vic...

Page 9: ...nters Pitch Ratio e g 5 8 3 p r Rise Key Enters or cal culates the Rise or vertical leg height of a Right Triangle R Run Key Enters or cal culates the Run or horizon tal leg base of a Right Triangle d...

Page 10: ...k rafter lengths on the Regular pitched roof side j Irregular Jack Calculates Jack rafter lengths on the Irregular pitched roof side Rake Wall Key Finds the stud sizes based on entered Right Triangle...

Page 11: ...Press Result 1 Riser Height 2 Number of Risers 3 Riser Overage Underage 4 Tread Width 5 Number of Treads 6 Tread Overage Underage 7 Stringer Length 8 Angle of Incline 9 Stored Run 10 Stored Rise 11 S...

Page 12: ...r 8 Inches 8 i 7 9 Tread Width Stores a desired Tread width other than 10 default For example enter 12 Inches 1 2 i 9 Miscellaneous Functions B Backspace Key Used to delete entries one key stroke at a...

Page 13: ...ted below Note After entering a value and pressing 0 continue pressing the 0 digit key until you ve reached the desired Weight per Volume format To recall your setting press 0 Ton Per CU YD LB Per CU...

Page 14: ...w entry or calcula tion See example below 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 t...

Page 15: ...sub setting Use the key to back up Press o key to exit Preferences PRESS AND SETTING FUNCTION First press of Fractional Resolution 1 16 1 32 1 64 1 2 1 4 1 8 1 16 repeats options Second press of Area...

Page 16: ...UNCTION Fourth press of Meter Linear Displays 0 000 M FLOAt M floating point 0 000 M repeats options Fifth press of Decimal Degree Displays 0 00 FLOAt floating point 0 00 repeats options Sixth press o...

Page 17: ...en the denomina tor bottom number Note If a denominator is not entered the frac tional setting value is used Examples of how linear dimensions are entered press o after each entry DIMENSION KEYSTROKES...

Page 18: ...0 1 0 f 6 i 10 FEET 6 INCH y 3 5 YD i 126 INCH m 3 200 M c 320 04 CM 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 f 14 625 FEET Con...

Page 19: ...o 0 2 5 y y 25 SQ YD f 225 SQ FEET Convert 12 Cubic Feet to Cubic Yards KEYSTROKE DISPLAY o o 0 1 2 f f f 12 CU FEET y 0 444444 CU YD BASIC MATH OPERATIONS Your calculator uses standard chaining logi...

Page 20: ...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 mea...

Page 21: ...4 3 5 FEET 1 1 4 INCH How many 3 Foot 6 Inch pieces can you cut from one 25 foot 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...

Page 22: ...r 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 First multiply the Length times the Width to find the Area Then multiply the Area tim...

Page 23: ...o o 0 5 5 f f 1 0 60 5 SQ FEET 1 5 0 f f f 2 0 180 CU FEET Weight Conversions Convert 150 Pounds to other weights Tons Metric Tons Kilograms KEYSTROKE DISPLAY o o 0 1 5 0 w w 150 LB w 0 068039 MET To...

Page 24: ...000 LB w 27 21554 MET Ton w 27215 54 kG Now convert the above if concrete weighs 2 Tons per Cubic Yard store new Weight per Volume value KEYSTROKE DISPLAY 2 0 2 Ton Per CU YD 2 0 y y y 20 CU YD w 3628...

Page 25: ...call total in Memory Display Clear Memory Clear Memory Memory is semi permanent clearing only when you 1 turn off the calculator 2 press 3 press 4 press x Clear All When memory is recalled con secutiv...

Page 26: ...2 x 4 x 1 6 b BDFT 10 66667 2 x 1 0 x 1 8 b BDFT 30 2 x 1 2 x 2 0 b BDFT 40 BDFT 80 66667 x 2 7 5 22 18 Carpentry Calculating Number of Studs Find the number of 16 Inch On Center studs needed for an 1...

Page 27: ...o 0 1 5 6 i 156 INCH 5 i 1 2 28 36364 28 balusters desired spacing plus baluster width 4 Inches plus 1 1 2 Inch 2 Find total space occupied by the balus ters by multiplying the width of each balus ter...

Page 28: ...AY o o 0 2 5 i C DIA 25 INCH C AREA 490 8739 SQ INCH C CIRC 78 9 16 INCH Arc Angle or Degree Find the Arc Angle or Degree of Arc given a 5 Foot Diameter and an Arc Length of 3 Feet 3 Inches KEYSTROKE...

Page 29: ...6 i 13 FEET 6 INCH x 5 i 9 461806 CU YD x 6 5 615 02 total cost Concrete Columns You re going to pour five Columns each of which has a Diameter of 3 Feet 4 1 2 Inches and a height of 11 Feet 6 Inches...

Page 30: ...an odd shaped patio 4 1 2 Inches deep with the dimensions shown below First calculate the total Area by dividing the drawing into three individual rectangles and then determine the total Yards of conc...

Page 31: ...T M 918 SQ FEET 2 Find Area of Part B and add to Memory 4 f 2 i 4 FEET 2 INCH x 8 f 6 i 35 41667 SQ FEET M 35 41667 SQ FEET 3 Find Area of Part C and add to Memory 9 f 9 FEET x 9 f 6 i 85 5 SQ FEET M...

Page 32: ...ht Triangles The solu tions are available in any of the linear dimensions offered on the calculator Thus you can solve Right Triangles directly in Feet and Inches Decimal Feet Meters etc Any value of...

Page 33: ...5 f 6 i R RUN 15 FEET 6 INCH 1 0 f 2 i r RISE 10 FEET 2 INCH d DIAG 18 FEET 6 7 16 INCH Pitch Converting Roof Angle Find the Grade Pitch Ratio Slope and Pitch in Inches if the roof angle is 30 25 KEY...

Page 34: ...2 INCH p PTCH 32 01 p GRD 62 5 Common Rafter Length Find the Point to Point Length of the Common rafter on a 7 12 Pitched roof with a Span of 28 Feet KEYSTROKE DISPLAY o o 0 1 Enter Pitch 7 i p PTCH...

Page 35: ...2 and half the total Span is 6 Feet Find the lengths of the Common Hip Valley and Jack rafters Jack rafters at 16 Inch On Center spacing KEYSTROKE DISPLAY 1 Find the Common rafter length o o 0 6 f R R...

Page 36: ...C 16 INCH j JK 1 5 FEET 10 INCH j JK 2 4 FEET 2 INCH j JK 3 2 FEET 6 INCH j JK 4 0 FEET 10 INCH j JK 5 0 FEET 0 INCH Uses standard default 16 Inch On Center To enter a new On Center e g 18 Inches pres...

Page 37: ...Length 7 i p PTCH 7 INCH 1 5 f 7 i R RUN 15 FEET 7 INCH d DIAG 18 FEET 0 1 2 INCH 2 Find Irregular Hip Rafter Length 8 i H IPCH 8 INCH H IH V 22 FEET 7 3 8 INCH 3 Find Irregular Jack Lengths j IJOC 16...

Page 38: ...KEYSTROKE DISPLAY 1 Enter Rise and Run o o 0 3 f 6 i r RISE 3 FEET 6 INCH 6 f R RUN 6 FEET 0 INCH 2 Find Stud Lengths RWOC 16 INCH RW 1 2 FEET 8 11 16 INCH RW 2 1 FEET 11 5 16 INCH RW 3 1 FEET 2 INCH...

Page 39: ...irway that has a Floor to Floor height of 10 Feet 1 Inch a Run of 12 Feet 5 Inches and a desired Riser Height of 7 1 2 Inches default Find the stair values KEYSTROKE DISPLAY 1 Enter Rise and Run o o 0...

Page 40: ...nd find stair values s R HT 7 1 2 INCH s R HT 7 9 16 INCH s RSRS 16 s R 0 INCH s T WD 9 15 16 INCH s TRDS 15 s T 0 1 16 INCH s STRG 15 FEET 7 5 16 INCH s INCL 37 27 A in the display means the calculat...

Page 41: ...Floor Rise o o 0 8 i 7 R HT 8 INCH 1 2 f 6 i r RISE 12 FEET 6 INCH 2 Calculate stair values s R HT 7 7 8 INCH s RSRS 19 s R 0 3 8 INCH s T WD 10 INCH s TRDS 18 s T 0 INCH s STRG 19 FEET 1 1 8 INCH s...

Page 42: ...64th of an inch and then convert the answer to other fractional resolutions KEYSTROKE DISPLAY o o 0 4 4 6 4 0 44 64 INCH 1 6 4 0 45 64 INCH 1 1 16 0 11 16 INCH 2 1 2 0 1 2 INCH 3 1 32 0 23 32 INCH 4...

Page 43: ...rform a Full Reset press O hold down x and press o your calculator will return to the following settings in addition to those listed above PREFERENCE SETTINGS DEFAULT VALUE Fractional Resolution 1 16...

Page 44: ...t you must determine what caused the error and re key the problem Error Codes DISPLAY ERROR TYPE 0FL0 Overflow too large to display DIV Error Divide by 0 DIM Error Dimension error ENT Error Entry erro...

Page 45: ...able at most discount or electronics stores You may also call Calculated Industries at 1 775 885 4900 Replacing the Battery Turn the calculator over and open user guide door located at the top Pull ba...

Page 46: ...POCKET REFERENCE GUIDE 42 AREA AND VOLUME FORMULAS Area Formulas Dgm AF 100...

Page 47: ...POCKET REFERENCE GUIDE 43 Volume Formulas Dgm VF 101...

Page 48: ...tion or repairs 2 If your product won t turn on check the battery as outlined in the User s Guide 3 If you need more assistance please go to the website listed below 4 If you believe you need to retur...

Page 49: ...KING OF THE LCD WHICH ARE PRESUMED TO BE DAMAGES RESULTING FROM MISUSE OR ABUSE To obtain warranty service in the U S please go to the website A repaired or replacement product assumes the remain ing...

Page 50: ...FOR DIRECT INDI RECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY DEFECT IN THE PRODUCT OR ITS DOCUMENTATION The warranty disclaimer and remedies set forth above are exclusive and re...

Page 51: ...ING FOR NEW IDEAS Calculated Industries a leading manufac turer of special function calculators and digital measuring instruments is always looking for new product ideas in these areas If you have an...

Page 52: ......

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