Construction Master Pro Trig 4080

Construction Master Pro Trig (Calculated Industries 4080) is an advanced feet-inch-fraction construction math calculator with full trigonometric functions.

Construction Master Pro Trig provides building professionals with complete trigonometric function. This powerful and advanced construction math calculator features new built-in solutions and expanded preference selection. It allows users to easily determine precise angle measurements and solve the most complex design and construction math problems. Perfect for estimating materials and costs. In the field or office it helps assure accuracy, save time and money.

Ideal for contractors, architects, engineers, project managers, estimators, draftspersons, builders, framers, carpenters or tradespersons.

Dimensional Math and Conversions:

• Work in and convert between all building dimensional formats including yards, feet-inch-fractions, decimal-feet and inches and metric, including area and volume
• D:M:S to decimal degree conversions
• Weight per volume
• Full trigonometric functions (including sine, cosine, tangent, arcsine, arccosine and arctangent) simplify complex design and construction math

Built-In Time Saving Functions:

• Complete stair calculations for risers, treads, stringer length and incline angle
• Set riser height and solve for stairwell opening
• Built-in right-angle functions
• Roof function finds area, bundles, squares and 4x8 sheathing for flat or pitched roofs
• Custom rafter function provides common rafters; regular and irregular hips, valleys and jacks; instant cutting angles (cheek, level and plumb)
• Jack rafter results for regular and irregular pitch roof.
• Find rake-wall studs with on-center spacing
• Compound miter. Store crown angle and enter wall corner angle to calculate blade tilt and angle for miter cuts
• Advanced solutions for circles, arches, columns, cones, pillars, windows and post-holes
• Arched rake-walls with on-center spacing
• Studs. Calculate the number of on-center studs for an entered length 
• Equal-sided polygon. Calculate corner and bi-sect angles, side length, perimeter and area
• Board feet lumber estimating

Additional Features:

• User preferences: Set custom defined options such as fractional settings for 1/2” to 1/64” and “stair headroom height,” decimal degrees and more
• Exponential notation: Enter and display exponential values
• Backspace key makes it easy to change just-entered values
• Constant operator simplifies repetitive calculations
• Cost per unit. Easily solve unit costing and pricing
• Accumulating memory (M+) plus three additional memory storage locations
•  "Paperless" tape allows for review of last 20 entries; double-check totals
• Standard calculations. Works as a math calculator with +, -, +/-, x, ÷, %, ?, 1/x, X2, and v 
• Automatic shut-off saves battery life

Includes:

• Protective hard slide cover
• Easy-to-follow user's guide
• Handy pocket reference guide in English and Spanish
• Long-life batteries
• One-year limited warranty
• English and Spanish CD-ROM with “How-To” video and user’s guide