The New Construction Master 5, replace your Construction Master 4 TODAY!
The Construction Master® 5 Calculator is designed for ease and solves challenging building and dimensional problems quickly. There is no need to memorize formulas--simply enter the numbers and solutions appear instantly. This handy calculator helps to reduce the risk of expensive errors when estimating costs and materials, and includes a bonus CD-ROM that contains an English/Spanish “how-to” video and guide. See the full list of features below.
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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