4400 Tradesman Calc

4400 Trades Math and Conversion Calculator for math-oriented trades and teaching technical trade math.



Dedicated Functions: Work in Architectural (ruler) fractions (1/4 inch, 1/16 inch, etc.), proper fractions (2/3), mixed number fractions (1 2/3) and improper fractions (5/3).

Solve dimensional math problems, and convert between U.S. and metric dimensional math units.

Solve angle and side problems with trigonometry.

Enter and solve circle, arc, radius hexagonal and polygonal dimensions.

Convert between decimal and fraction.

Enter and solve ratios and proportions.

Enter math equations using order of operations.

Work with exponents.

Includes: Protective Slide Cover, Quick Reference and Pocket Reference Guide, One 3-volt long-life (CR2016) battery, Full One-Year Limited Warranty.

Tech Specs: Size: 5.7″ x 3.0″ x 0.65″ (145 mm x 76 mm x 17 mm). Product Weight: Weight: 4.15 oz. (118 gm). Includes Slide Cover and Pocket Reference Guide Power: One 3-volt (CR2016) Long-life Battery, Display Type: 15 Digits (8 normal, 7 fractions) with full annunciators.

Display Dimensions: 0.73″ x 2.56″ (19 mm x 65 mm), Accuracy: 12 Digit Internal Accuracy.

Parts Batteries CR2016 Replacement calculator batteries $5.00

Additional information

Weight 1 lbs
Dimensions 5.7 × 3 × 0.0065 in