Calculated Industries 4225 manual

Pocket Reference Guide ➡ ➡ Insert This Direction  C ONSTRUCTION M ASTER ® C ONCRETE C ALC ™ P RO ADV ANCED FEET -INCH-FRACTION CALCULA TOR Model 4225[...]

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 Ease • Dimensional Conversions • Imperial[...]

GETTING ST ARTED ...............................1 Key Definitions .....................................1 Preference Settings ...........................1 1 Entering Dimensions .........................13 Conversions .......................................14 Basic Math Operations ......................16 Percentage Calculations ....................1[...]

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 — T urns on power . Pressing once clears the display . P[...]

P OCKET R EFERENCE G UIDE — 2 Unit Keys y Y ards Key — Enters or converts to Y ards . 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 i1 /2 ). Repeated presses during conversions toggle between Fractional and Decimal Feet. i Inch Key — Enters o[...]

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 V olume. W Enters Width and calculates Area, Square-up and perimeter . h Enters Height and calculates V olume, wall Area and total room Area. [...]

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 T otal Feet 2 T otal Weight 3 Rebar Size 4 Rebar On-center 5 Rebar Inset 6 Stored Length 7 Stored Width If you already know yo[...]

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 V olume 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., 8 y y y T L ). The default size is 8[...]

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 standard “face” bricks, store a brick siz[...]

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 full angle, bi-sect angle, side Length, [...]

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 T read Width (T -WD) 5 Number of T reads (TRDS) 6 T read Overage/ Underage (T+/-) 7 Stairwell Opening (OPEN) 8 Stringer Length (ST[...]

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. ST AIR DEFAUL T V ALUES • 7-1/2” Desired Riser Height • 10” Desired T read Width • 10” Floor Thickness • 6’8” Headro[...]

P OCKET R EFERENCE G UIDE — 10 Ç – (+/–) T oggle. 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 T otal Cost (based on entry of per unit cost). T 0 Weight per V olume – Stores a new Weight per V olume [...]

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: of T : -- 1/16 + -- 1/32 + -- 1/64 + -- 1[...]

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 Linear Displays: of T : -- 0.000 M[...]

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 (bottom number). Note : If a denominator is n[...]

P OCKET R EFERENCE G UIDE — 14 CONVERSIONS Linear Conversions Convert 10 Feet 6 Inches to other dimen- sions, including Metric: KEYSTROKE DISPLA Y 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 Feet-Inch-Fractions and Decimal Feet or[...]

P OCKET R EFERENCE G UIDE — 15 Weight Conversions Convert 25 T ons to other W eights: KEYSTROKE DISPLA Y 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 V olume Conversions Y our calculator has the capability of con- verting between Weight and V olume. The Weight/V olume ratio is perma[...]

P OCKET R EFERENCE G UIDE — 16 BASIC MA TH OPERA TIONS Y our 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. 3x2= 6. D. 3÷2= 1.5 This feature also makes the calculator simple to use for d[...]

P OCKET R EFERENCE G UIDE — 17 Dividing Dimensions Divide 30 Feet 4 Inches by 7 Inches: KEYSTROKE DISPLA Y 3 0 f 4 i ÷ 7 i = 52. Divide 20 Feet 3 Inches by 9: KEYSTROKE DISPLA Y 2 0 f 3 i ÷ 9 = 2 FEET 3 INCH PERCENT AGE CALCULA TIONS The % key can be used for finding a given percent of a number or for working add-on, discount or division percen[...]

P OCKET R EFERENCE G UIDE — 18 MEMOR Y OPERA TION 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-permanent, clearing only when you: 1) [...]

P OCKET R EFERENCE G UIDE — 19 P APERLESS T APE The Paperless T ape 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 T ape is cleared each time o is pressed twice, the unit is shut off, or a Clear All is performed[...]

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 DISPLA Y 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 FEET W SQUP 25 FEET 0 INCH W PER 70 FEET 0 IN[...]

P OCKET R EFERENCE G UIDE — 21 V olume of a Concrete Slab Calculate the cubic Y ards 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 Y ard, what will it cost? KEYSTROKE DISPLA Y o o 0. 4 5 f 5 i l LNTH 45 FEET 5 INCH 1 3 f 6 i W WDTH 13 FEET 6 INCH 5 i [...]

P OCKET R EFERENCE G UIDE — 22 Y ou’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 Y ards of concrete required for this job. What is the total cost of the concrete if it is selling f[...]

P OCKET R EFERENCE G UIDE — 23 CIRCLE CALCULA TIONS Circumference and Area Find the Circumference and Area of a circle having a diameter of 10 Inches. KEYSTROKE DISPLA Y 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 CIRC 31-7/16 INCH 3. Convert to decimal Inc[...]

P OCKET R EFERENCE G UIDE — 24 V olume of a Cylinder Calculate the V olume 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 DISPLA Y 1. Find circle Area: o o 0. 2 f 4 i ç DIA 2 FEET 4 INCH ç AREA 4.276057 SQ FEET 2. Enter Height and find V olume: 4 f 6 i[...]

P OCKET R EFERENCE G UIDE — 25 V olume of a Cone Calculate the V olume of a cone with a diameter of 3 Feet 6 Inches and a Height of 5 Feet: KEYSTROKE DISPLA Y 1. Find circle Area: o o 0. 3 f 6 i ç DIA 3 FEET 6 INCH ç AREA 9.621 128 SQ FEET 2. Enter Height and find V olume: 5 f h HGHT 5 FEET 0 INCH Ç ç ç ç * CONE 16.03521 CU FEET *T o access[...]

P OCKET R EFERENCE G UIDE — 26 Concrete Columns Find the total cubic Y ards and T ons of con- crete (using 1.5 T ons per cubic Y ard) required for three (3) columns, each with a diameter of 5 Feet 2-3/4 Inches and a Height of 10 Feet: KEYSTROKE DISPLA Y 1. Recall stored Weight per V olume: o o 0. ® 0 1.5 Ton Per CU YD * 2. Enter diameter: 5 f 2 [...]

P OCKET R EFERENCE G UIDE — 27 CALCULA TING REBAR Rebar – T otal 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. *Any adjustments for on-center spacing should[...]

P OCKET R EFERENCE G UIDE — 28 KEYSTROKE DISPLA Y 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 23 FEET 0 INCH 7. Enter slab Width: 1 6 f W [...]

P OCKET R EFERENCE G UIDE — 29 Rebar – T otal Weight How many pounds of #5 Rebar are needed to layout 100 linear Feet of footings? KEYSTROKE DISPLA Y 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 CALCULA TING LOADS How many 8 cubic Y ard t[...]

P OCKET R EFERENCE G UIDE — 30 BLOCKS AND BRICKS Calculating Number of Blocks Y ou 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 blocks are required to build this wall? KEYST[...]

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 DISPLA Y 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 Length times Height: 3 6 f 6 i 36 FEET 6 INCH x8[...]

P OCKET R EFERENCE G UIDE — 32 CONCRETE FOOTING Find the number of cubic Y ards of concrete required for a (16 Inch x 8 Inch) footing that measures 232 Feet 6 Inches in length. KEYSTROKE DISPLA Y 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 to find V olume: 2 3 2 f 6 i F FTG 7.654321 CU [...]

P OCKET R EFERENCE G UIDE — 33 FINDING WEIGHT PER VOLUME Find the total V olume 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 T ons per cubic Y ard of concrete. KEYSTROKE DISPLA Y 1. Clear calculator: o o 0. 2. Store unit Weight: 1 • 5 T0 1.5 Ton Per CU YD 3. Enter Height, Length an[...]

P OCKET R EFERENCE G UIDE — 34 CALCULA TING DROP Drop of Sloped Patio Y ou’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 DISPLA Y 1. Clear calculator: o o 0. 2. Enter total Leng[...]

P OCKET R EFERENCE G UIDE — 35 Drop of Retaining W all Y ou’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- mulated) drop Depth at the end of all four sect[...]

P OCKET R EFERENCE G UIDE — 36 ST AIR CALCULA TIONS The ConcreteCalc Pro can calculate the values used in stair building, given entered values for floo r-to-floor rise ( h ) or run of treads ( l ), based on desired riser Height and tread Width.[...]

P OCKET R EFERENCE G UIDE — 37 Stairs — Given Rise and Run Y ou’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 DISPLA Y 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 LN[...]

P OCKET R EFERENCE G UIDE — 38 Stairs — Given Rise Only Y ou’re building a stairway with a total rise of 9 Feet 1 1 Inches. Using the default riser Height of 7-1/2 Inches and tread Width of 10 Inches, find the stair values: KEYSTROKE DISPLA Y 1. Enter known rise: o o 0. 9 f 1 1 i h HGHT 9 FEET 11 INCH 2. Recall stored desired stair riser Heig[...]

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 DISPLA Y 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” desired riser Height and find stair value[...]

P OCKET R EFERENCE G UIDE — 40 ACCURACY/ERRORS Accuracy/Display Capacity – Y our calcu- lator has a twelve digit display . This is made up of eight digits (normal display) and four fractional digits. Y ou may enter or calculate values up to 19,999,999.99. Each calculation is carried out internally to twelve digits. Errors – When an incorrect [...]

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 Y ards. 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). BA TTER Y AND AUTO SHUT -OFF Y our calculator is powered by a single 3[...]

P OCKET R EFERENCE G UIDE — 42 DEF AUL T SETTINGS After a Clear All ( Ç x ), your calculator will return to the following settings: STORED V ALUES DEF AUL T V ALUE Desired Riser Height 7-1/2 INCH Desired T read Width 10 INCH Floor Height 10 INCH Rebar Spacing 18 INCH Rebar Inset 3 INCH Rebar Size #5 (5/8”) Load Size 8 CU YD Bag Size 0.666667 C[...]

P OCKET R EFERENCE G UIDE — 43 AREA FORMULAS[...]

P OCKET R EFERENCE G UIDE — 44 SURF ACE AREA AND VOLUME FORMULAS[...]

P OCKET R EFERENCE G UIDE — 45 W ARRANTY , REP AIR AND RETURN INFORMA TION 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't turn on, check the battery as o[...]

P OCKET R EFERENCE G UIDE — 46 W arranty 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 its option will either repair (using new or[...]

P OCKET R EFERENCE G UIDE — 47 Repair Service – Outside the U.S.A. T o 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 contact CI to obtain current product repair inf[...]

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 measuring instruments, is always looking for new pr[...]

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 T echnologies, LLC, 2007. Pocket Reference Guide copyrighted by Calculated Industries, Inc. © 2007. ConcreteCalc™ is a t[...]