Construction Master 5 Calculator

Construction Master 5 Calculator

Item #: 250-0244-05
Manufacturer: Calculated Industries
Manufacturer Item #: 4050
Format: Calculator


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The New Construction Master 5, replace your Construction Master 4 TODAY!

Product Details:

Updated for 2005.

Carry the #1 Builder's Calculator in your briefcase or tool belt, in the office or out in the field, and get the job done right the first time! Cut costs, time and errors. Build more professionally. And let the Construction Master 5 be one of the most valuable "tools" you own!

Features:

  • Dimensional Math & Conversions
    Works in all dimensional formats: quickly add, subtract, multiply, divide and convert in feet-inches-fractions, decimal feet, decimal inches, inches and fractions, yards, meters, centimeters, millimeters, board feet, as well as square and cubic formats.
  • Handles all fractions-1/2's, 1/4's, 1/8's, 1/16's, 1/32's, 1/64's
    Work in fractions for all sorts of dimension problems. You can even set fraction denominators to display your desired accuracy (in above fraction formats).
  • Right-Angle Solutions
    Instant square-ups, slopes, rafter length and rake wall solutions. No more formulas or memorization of Pythagorean theorem! Pitch, Rise, Run, Diagonal/Common, Hip/Valley and Jack keys find rafter lengths instantly. Also solves for lengths of irregular Hip/Valley and Jack rafters.
  • Automatic Stair Calculations
    Finds number of risers, treads, riser height, tread width, and any underage or overage for stairway layouts. Also calculates stringer length and angle of incline.
  • Circle Solutions
    Solves circumference, circle area, arc lengths for columns, post holes, pillars and more.
  • Instant Area & Volume Calculations
    For fast & accurate material estimates, such as volume of concrete.
  • Weight per Volume Key
    Lets you convert between weights (lbs, tons, kg) and find weights of any material (e.g., tons per cubic yard).
  • Board Feet Key
    Helps estimate material amounts and costs of lumber.
  • "Smart" Fraction Setting
    Saves keystrokes by entering preset fraction denominators for you, from 1/2 to 1/64.
  • Paperless Tape
    Lets you review the last 20 entries, for double-checking answers.
  • Standard Calculator
    Works as a regular math calculator, for your everyday math needs.
  • Protective Case
  • Long-Life Battery


Spec Summary:

Size:
5.5 x 3.0 x 0.5" (140 x 76 x 13 mm)

Product Weight (product only with battery):
3.2 oz. (91 g)

Power:
3-volt lithium (CR-2032) battery (included)

Bat. Life:
Approx. 800 hours usage

Auto Shut-off:
8-12 min.

Keypad:
42 keys; soft-touch silicone rubber

User's Guide:
64 pp.; 5.0 x 2.5" (127 x 64 mm).

Case:
Protective 360 degree Hard Cover Door.

Operating Temperature:
32-130 deg. F (0-55 deg. C)

Display Type:
LCD segment; 11 digits (7 normal, 4 fractions), with annunciator-legends

Display Dimensions:
0.86 x 2.5" (22 x 64 mm)

Accuracy:
10 digit internal accuracy

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