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Calculated Industries 4225 Pocket Reference Manual

Manual is about: ADVANCED FEET-INCH-FRACTION CALCULATOR

Summary of 4225

  • Page 1

    Pocket reference guide ➡ ➡ insert this direction c onstruction m aster ® c oncrete c alc ™ p ro advanced feet-inch-fraction calculator model 4225.

  • Page 2: Oncrete

    Designed for today’s concrete professional, the all-new concretecalc pro adds even more power to the already powerful construction master line-up. Like earlier models, this calculator is so simple to use, even the novice user can easily solve dimension-related problems. • solve dimensional math with...

  • Page 3: Table of Contents

    Getting started ...............................1 key definitions.....................................1 preference settings ...........................11 entering dimensions .........................13 conversions.......................................14 basic math operations ......................16...

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    P ocket r eference g uide — 1 key definitions basic function keys + – x arithmetic operation keys. ÷ = % four-function (+, –, x, ÷) percent key. 0 – 9 keys used for entering and • numbers. O off key — turns all power off, clearing all non-perma- nent registers. O on/clear key — turns on power. Press...

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    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 presses during conversions toggle between fractional...

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    P ocket r eference g uide — 3 Ç 9 millimeters — enters or converts to millimeters. Ç 2 acres — enters or con- verts to acres. Length, width and height keys l enters length for calculation of area or volume. W enters width and calculates area, square-up and perimeter. H enters height and calculates v...

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    P ocket r eference g uide — 4 construction project keys r rebar key — given stored or entered rebar inset, rebar size, rebar on-center spacing and entered length and width values calculates the following: press result 1 total feet 2 total weight 3 rebar size 4 rebar on-center 5 rebar inset 6 stored ...

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    P ocket r eference g uide — 5 Ç r spacing — stores rebar on-center spacing. Default is 18”. L loads key — calculates number of loads for a given volume or length, width, and height (depth) values and stored load size. T l load size — stores load size. Load size must be entered as a cubic value (e.G....

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    P ocket r eference g uide — 6 t b block size — stores the block size. Block size must be entered as a linear value or a square value. The default is 128 square inches block area and 16 inches block length. Note: for bricks, you may also enter a brick size using t b. For example, when building with s...

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    P ocket r eference g uide — 7 f footing — finds quantity of concrete, based on entered wall length and stored footing area. T f footing area — stores footing area. Footing area must be entered as a square value (e.G., 2 6 4 i i t f).The default footing is 264 square inches. Ç l polygon — calculates ...

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    P ocket r eference g uide — 8 stair layout key s given height and/or length and stored variables, calculates or displays: press result 1 riser height (r-ht) 2 number of risers (rsrs) 3 riser overage/ underage (r+/-) 4 tread width (t-wd) 5 number of treads (trds) 6 tread overage/ underage (t+/-) 7 st...

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    P ocket r eference g uide — 9 Ç s riser limited — calculates riser height and other stair values if you’re limited by local code. The calculated riser height will never exceed the stored desired riser height. Stair default values • 7-1/2” desired riser height • 10” desired tread width • 10” floor th...

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    P ocket r eference g uide — 10 Ç – (+/–) toggle. Ç + pi (π) 3.141593. Ç • converts between d:m:s and decimal degrees. Ç % x 2 — squares the value in the display. Ç a ( ) square root. Ç / exponential notation (x10 y ). Ç 0 total cost (based on entry of per unit cost). T 0 weight per volume – stores a...

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    P ocket r eference g uide — 11 preference settings press Ç, then t, then keep pressing t to toggle through the main settings. Press the + key to advance within sub- setting. Use the – key to back up. Press any key to exit preferences. Press Ç and: setting--function first press fractional resolution:...

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    P ocket r eference g uide — 12 press: setting--function fourth press headroom height setting: of t: --6 feet 8 inch +* --6 feet 9 inch –* --6 feet 8 inch *press + to increment or – to decrement by one inch. Fifth press exponential mode: of t: --off + --on + --off (repeats options) sixth press meter ...

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    P ocket r eference g uide — 13 entering dimensions linear dimensions when entering feet-inch values, enter dimensions from largest to smallest — feet before inches, inches before fractions. Enter fractions by entering the numerator (top number), pressing / (fraction bar key) and then the denominator...

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    P ocket r eference g uide — 14 conversions linear conversions convert 10 feet 6 inches to other dimen- sions, including metric: keystroke display 1 0 f 6 i 10 feet 6 inch Ç f* 10.5 feet Ç i* 126. Inch Ç y 3.5 yd Ç m 3.200 m Ç 9 3200.4 mm Ç 7 320.04 cm *repeated presses of f or i will toggle between ...

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    P ocket r eference g uide — 15 weight conversions convert 25 tons to other weights: keystroke display 2 5 Ç 6 (tons) 25 ton Ç 4 (lbs) 50000. Lb Ç 1 (kg) 22679.62 kg Ç 3 (met tons) 22.67962 met ton weight per volume conversions your calculator has the capability of con- verting between weight and vol...

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    P ocket r eference g uide — 16 basic math operations your calculator uses standard chaining logic, which simply means that you enter your first value, the operator ( +, –, x, ÷), the second value and then the equals sign ( =). A. 3 + 2 = 5. B. 3 – 2 = 1. C. 3 x 2 = 6. D. 3 ÷ 2 = 1.5 this feature als...

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    P ocket r eference g uide — 17 dividing dimensions divide 30 feet 4 inches by 7 inches: keystroke display 3 0 f 4 i ÷ 7 i = 52. Divide 20 feet 3 inches by 9: keystroke display 2 0 f 3 i ÷ 9 = 2 feet 3 inch percentage calculations the % key can be used for finding a given percent of a number or for w...

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    P ocket r eference g uide — 18 memory operation whenever the μ key is pressed, the displayed value will be added to the memory. Other memory functions: function keystrokes add to memory μ subtract from memory Ç μ recall total in memory ® μ display/clear memory ® ® clear memory Ç ® memory is semi-per...

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    P ocket r eference g uide — 19 paperless tape the paperless tape allows you to display and review the last 20 entries of a calcula- tion. ® = accesses the tape mode and + or – scrolls forward or backward through the entries. Note: the paperless tape is cleared each time o is pressed twice, the unit ...

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    P ocket r eference g uide — 20 length, width, and height keys using the multi-function w key to find area, square-up, and perimeter find the area, square-up and perimeter of a room measuring 15’ x 20’. Keystroke display o o 0. 1 5 f l lnth 15 feet 0 inch 2 0 f w wdth 20 feet 0 inch w area 300. Sq fe...

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    P ocket r eference g uide — 21 volume of a concrete slab calculate the cubic yards of concrete required to pour a slab 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 l lnth 45 feet...

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    P ocket r eference g uide — 22 you’re going to pour an odd-shaped patio 4-1/2 inches deep with the dimensions as shown. First, calculate the total area (by dividing the drawing into three individual rectangles) and then determine the total cubic yards of concrete required for this job. What is the t...

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    P ocket r eference g uide — 23 circle calculations circumference and area find the circumference and area of a circle having a diameter of 10 inches. Keystroke display 1. Clear calculator and enter diameter: o o 0. 1 0 i ç dia 10 inch 2. Find circle area and circumference: ç area 78.53982 sq inch ç ...

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    P ocket r eference g uide — 24 volume of a cylinder calculate the volume of a cylinder with a diameter of 2 feet 4 inches and a height of 4 feet 6 inches: note: for a cylinder, use the column function. Keystroke display 1. Find circle area: o o 0. 2 f 4 i ç dia 2 feet 4 inch ç area 4.276057 sq feet ...

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    P ocket r eference g uide — 25 volume of a cone calculate the volume of a cone with a diameter of 3 feet 6 inches and a height of 5 feet: keystroke display 1. Find circle area: o o 0. 3 f 6 i ç dia 3 feet 6 inch ç area 9.621128 sq feet 2. Enter height and find volume: 5 f h hght 5 feet 0 inch Ç ç ç ...

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    P ocket r eference g uide — 26 concrete columns find the total cubic yards and tons of con- crete (using 1.5 tons per cubic yard) required for three (3) columns, each with a diameter of 5 feet 2-3/4 inches and a height of 10 feet: keystroke display 1. Recall stored weight per volume: o o 0. ® 0 1.5 ...

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    P ocket r eference g uide — 27 calculating rebar rebar – total linear feet find the total linear feet of rebar for a 23 feet x 16 feet concrete slab, using default values for rebar size (no. 5), on-center spacing (18 inches), and inset (3 inches). Note: overlap is not included in the calculation. *a...

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    P ocket r eference g uide — 28 keystroke display 1. Clear calculator: o o 0. 2. Enter rebar size*: 5 r no 5 0.625 inch 3. Find rebar weight per foot: r no 5 1.04188 lb per feet 4. Enter rebar spacing: 1 8 i Ç r r-oc 18 inch 5. Enter rebar inset: 3 i Ç r r-in 3 inch 6. Enter slab length: 2 3 f l lnth...

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    P ocket r eference g uide — 29 rebar – total weight how many pounds of #5 rebar are needed to layout 100 linear feet of footings? Keystroke display 1. Clear calculator: o o 2. Enter rebar size: 5 r no 5 0.625 inch 3. Enter length: 1 0 0 f r rbar 100 feet 0 inch 4. Calculate weight: r rbar 104.188 lb...

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    P ocket r eference g uide — 30 blocks and bricks calculating number of blocks you are building an “l” shaped retaining wall out of standard 8 inch x 16 inch blocks. One side of the retaining wall is 22 feet long, and the other side is 15 feet 8 inches long. The wall is to be 4 feet high. How many bl...

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    P ocket r eference g uide — 31 masonry — estimating bricks how many standard bricks (2-1/4 x 8 inch) are needed for a wall measuring 36 feet 6 inches long and 8 feet high? Keystroke display 1. Clear calculator: o o 0. 2. Enter brick area: 2 i 1 / 4 x 8 i = t b b - ar 18. Sq inch 3. Multiply wall len...

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    P ocket r eference g uide — 32 concrete footing find the number of cubic yards of concrete required for a (16 inch x 8 inch) footing that measures 232 feet 6 inches in length. Keystroke display 1. Clear calculator: o o 0. 2. Enter footing area: 8 i x 1 6 i = t f f - ar 128. Sq inch 3. Enter length t...

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    P ocket r eference g uide — 33 finding weight per volume find the total volume and weight of a 10 foot high by 16 foot long by 8 inch thick concrete tilt–up wall. The unit weight is 1.5 tons per cubic yard of concrete. Keystroke display 1. Clear calculator: o o 0. 2. Store unit weight: 1 • 5 t0 1.5 ...

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    P ocket r eference g uide — 34 calculating drop drop of sloped patio you’re pouring a sloped concrete patio with a length of 14 feet. If the standard drop or fall is 1/8 inch per foot, what is the total drop or fall? What if the drop is 1/4 inch per foot or .375 inch per foot? Keystroke display 1. C...

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    P ocket r eference g uide — 35 drop of retaining wall you’re building a 61 foot 8 inch retaining wall along a driveway that slopes away at 1/4 inch per foot. There are 4 sections, each measuring 15 feet 5 inches in length. What is the proper drop amount for each section? What is the total (accu- mul...

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    P ocket r eference g uide — 36 stair calculations the concretecalc pro can calculate the values used in stair building, given entered values for floor-to-floor rise ( h) or run of treads ( l), based on desired riser height and tread width..

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    P ocket r eference g uide — 37 stairs — given rise and run you’re going to build a stairway 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. 1 0 ...

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    P ocket r eference g uide — 38 stairs — given rise only you’re building a stairway with a total rise of 9 feet 11 inches. Using the default riser height of 7-1/2 inches and tread width of 10 inches, find the stair values: keystroke display 1. Enter known rise: o o 0. 9 f 1 1 i h hght 9 feet 11 inch ...

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    P ocket r eference g uide — 39 stairs — riser limited function calculate stairs using the riser limited function, if you must limit the riser height to 7-1/2 inches: keystroke display 1. Enter rise and run: o o 0. 1 0 f 1 i h hght 10 feet 1 inch 1 2 f 5 i l lnth 12 feet 5 inch 2. Recall stored 7-1/2...

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    P ocket r eference g uide — 40 accuracy/errors accuracy/display capacity – your calcu- lator has a twelve digit display. This is made up of eight digits (normal display) and four fractional digits. You may enter or calculate values up to 19,999,999.99. Each calculation is carried out internally to t...

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    P ocket r eference g uide — 41 e.G., 20,000,000 mm is shown as 20,000 m. Also applies to inches, feet and yards. Note: if exponential notation is activated through the preference setting, the value will be shown in scientific notation (e.G., 20 million mm – 2.00000 07 mm). Battery and auto shut-off ...

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    P ocket r eference g uide — 42 default settings after a clear all ( Ç x), your calculator will return to the following settings: stored values default value desired riser height 7-1/2 inch desired tread width 10 inch floor height 10 inch rebar spacing 18 inch rebar inset 3 inch rebar size #5 (5/8”) ...

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    P ocket r eference g uide — 43 area formulas.

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    P ocket r eference g uide — 44 surface area and volume formulas.

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    P ocket r eference g uide — 45 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 won...

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    P ocket r eference g uide — 46 warranty repair service – u.S.A. Calculated industries (“ci”) warrants this product against defects in materials and workmanship for a period of one (1) year from the date of original consumer purchase in the u.S. If a defect exists during the warranty period, ci at it...

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    P ocket r eference g uide — 47 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...

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    P ocket r eference g uide — 48 fcc class b this equipment has been certified to comply with the lim- its for a class b computing device, pursuant to subpart j of part 15 of fcc rules. Looking for new ideas calculated industries, a leading manufacturer of special- function calculators and digital mea...

  • Page 52

    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, 2007. Pocket reference guide copyrighted by calculated...