- DL manuals
- Calculated Industries
- Calculator
- 4020
- Pocket Reference Manual
Calculated Industries 4020 Pocket Reference Manual
Summary of 4020
Page 1
M easure m aster ™ p ro feet-inch-fraction and metric calculator model 4020 v3.1 pocket reference guide.
Page 2: Quickly Solve:
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! • inst...
Page 3: Table of Contents
Key definitions..................................1 basic function keys ............................1 unit keys .............................................2 circle/arc keys ....................................4 miscellaneous functions .....................5 paperless tape example .....................
Page 4
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...
Page 5: Ocket
P ocket r eference g uide — 1 basic function keys + – x arithmetic operation keys. ÷ = 0 – 9 keys 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. Press...
Page 6: Ocket
P ocket r eference g uide — 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 i and / keys for entering feet-inch values (e.G., 6 f 9 i 1 / 2 ). Repeated press- es during conversions tog- gle between fract...
Page 7: Ocket
P ocket r eference g uide — 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 ...
Page 8: Ocket
P ocket r eference g uide — 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 e...
Page 9: Ocket
P ocket r eference g uide — 5 miscellaneous functions b backspace 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 ( ...
Page 10: Ocket
P ocket r eference g uide — 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+) mem...
Page 11: Ocket
P ocket r eference g uide — 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. Paperles...
Page 12: Ocket
P ocket r eference g uide — 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 Ç and: setting--function first press fractional resoluti...
Page 13: Ocket
P ocket r eference g uide — 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) + -...
Page 14: Ocket
P ocket r eference g uide — 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 ...
Page 15: Ocket
P ocket r eference g uide — 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” p...
Page 16: Ocket
P ocket r eference g uide — 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 % (x 2 ) 246.7517 sq feet square root what is the ...
Page 17: Ocket
P ocket r eference g uide — 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 8.05710...
Page 18: Ocket
P ocket r eference g uide — 14 multi-function h key 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 h vol 5400. Cu feet h wall* 1032. Sq feet h room**...
Page 19: Ocket
P ocket r eference g uide — 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....
Page 20: Ocket
P ocket r eference g uide — 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: ...
Page 21: Ocket
P ocket r eference g uide — 17 weight conversions convert 150 pounds to other weights (tons, metric tons, kilograms): keystroke display o o 0. 1 5 0 Ç 4 (lbs) 150 lb Ç 6 (tons) 0.075 ton Ç 3 (met tons) 0.068039 met ton Ç 1 (kg) 68.03886 kg weight per volume convert 20 cubic yards of concrete to poun...
Page 22: Ocket
P ocket r eference g uide — 18 (cont’d) now convert again, if concrete weighs 2 tons per cubic yard (store new weight per volume value): keystroke display 2 ß 0 2. Ton per cu yd 2 0 y y y 20 cu yd Ç 4 (lbs) 80000. Lb Ç 6 (tons) 40. Ton Ç 3 (met tons) 36.28739 met ton Ç 1 (kg) 36287.39 kg Ç x all cle...
Page 23: Ocket
P ocket r eference g uide — 19 memory is semi-permanent, clearing only when you: 1) turn off the calculator; 2) press ® ® ; 3) press Ç ® ; 4) press Ç x (clear all). When memory is recalled ( ® µ ), consecutive presses of µ will display the calculated average and total count of the accumulated values...
Page 24: Ocket
P ocket r eference g uide — 20 using the memory — finding quantity of carpet required --room 1: 12’ 4” x 15’ --room 2: 14’ 8” x 16’ --add 10% waste allowance keystroke display o o 0. 1 2 f 4 i 12 feet 4 inch x 1 5 f = 185. Sq feet µ m+ 185. Sq feet 1 4 f 8 i 14 feet 8 inch x 1 6 f = µ m+ 234.6667 sq...
Page 25: Ocket
P ocket r eference g uide — 21 2 x 1 0 x 1 8 b µ bdft 30. 2 x 1 2 x 2 0 b µ bdft 40. ® ® bdft 80.66667 x 2 7 5 Ç 0 (cost) $ 22. 18 circle area and circumference find the area and circumference of a circle with a diameter of 25 inches: keystroke display o o 0. 2 5 i c dia 25 inch c area 490.8739 sq i...
Page 26: Ocket
P ocket r eference g uide — 22 arc properties find arc properties given a 5-foot diameter and an arc length of 3 feet 3 inches: keystroke display 1. Enter circle diameter and arc length: o o 0. 5 f c dia 5 feet 0 inch 3 f 3 i a arc 3 feet 3 inch 2. Find degree of arc, chord length, segment area, pie...
Page 27: Ocket
P ocket r eference g uide — 23 concrete volume for driveway calculate the cubic yards of concrete required to pour a driveway that measures: 45 feet 5 inches long x 13 feet 6 inches wide x 5 inches deep. If concrete is $65 per cubic yard, what will it cost? Keystroke display o o 0. 4 5 f 5 i 45 feet...
Page 28: Ocket
P ocket r eference g uide — 24 setting fractional resolution fractional resolution is pemanently set via the preference settings (see preference settings section for instructions). To select other formats temporarily (e.G., 1/64ths, 1/32nds, etc.), see the example below: add 44/64th to 1/64th of an ...
Page 29: Ocket
P ocket r eference g uide — 25 default settings after a clear all ( Ç x ), your calculator will return to the following setting: stored value default value weight per volume 1.5 ton per cu yd if you replace your batteries or perform a full reset* (press o , hold down x , and press o ), your calculat...
Page 30: Ocket
P ocket r eference g uide — 26 auto-shut off your calculator will shut itself off after about 8-12 minutes of non-use. Accuracy/errors accuracy/display capacity — your calcu- lator has a twelve-digit display made up of eight digits (normal display) and four frac- tional digits. You may enter or calc...
Page 31: Ocket
P ocket r eference g uide — 27 auto-range — if an “overflow” is created because of an input and calculation with small units that are out of the standard seven-digit range of the display, the answer will be automatically expressed in the next larger units (instead of showing “error”) — e.G., 20,000,...
Page 32: Ocket
P ocket r eference g uide — 28 replacing the batteries to replace the batteries, slide open the battery door (at top backside of unit) and replace with new batteries. Make sure the batteries are facing positive side up. Reset if your calculator should ever “lock up,” press reset — a small hole locat...
Page 33: Ocket
P ocket r eference g uide — 29 area formulas area and volume formulas.
Page 34: Ocket
P ocket r eference g uide — 30 volume formulas.
Page 35: Ocket
P ocket r eference g uide — 31 warranty, repair and return information return guidelines: 1. Please read the warranty in this user's guide to determine if your calculated industries product remains under warranty before calling or returning any device for evaluation or repairs. 2. If your product wo...
Page 36: Ocket
P ocket r eference g uide — 32 warranty repair service – u.S.A. Calculated industries (“ci”) warrants this product against defects in materials and workmanship for a peri- od of one (1) year from the date of original consumer purchase in the u.S. If a defect exists during the war- ranty period, ci, ...
Page 37: Ocket
P ocket r eference g uide — 33 repair service – outside the u.S.A. To obtain warranty or non-warranty repair service for goods purchased outside the u.S., contact the dealer through which you initially purchased the product. If you cannot reasonably have the product repaired in your area, you may co...
Page 38: Ocket
P ocket r eference g uide — 34 this equipment has been certified to comply with the limits for a class b computing device, pursuant to subpart j of part 15 of fcc rules. Calculated industries, a leading manufacturer of special- function calculators and digital measuring instruments, is always lookin...
Page 39
This equipment has been certified to comply with the limits for a class b computing device, pursuant to subpart j of part 15 of fcc rules. Software copyrighted and licensed to calculated industries, inc. By construction master technologies, llc, 2006. Pocket reference guide copyrighted by calculated...