Product Review

Versatile and easy-to-use, the Tradesman Calc handheld calculator from Calculated Industries (model 4400) will help you solve all kinds of math and geometry/trigonometry problems. The Tradesman Calc is designed to be useful for both teaching technical trade math and for using on the job in a variety of settings requiring technical math, including Welding, Metal Fabrication, Engineering, Automotive Service Technology, Aviation and Drafting. It is ideal for people working in math-oriented trades and for students and instructors needing an easy-to-use handheld calculator with applied math functions.
With the Tradesman Calc you can work in and convert between all kinds of fractions €" architectural (ruler) fractions (like 1/4-inch, 1/16-inch, etc.), proper fractions (2/3), mixed number fractions, (1-2/3) and improper fractions (5/3). You can also work in and convert between U.S. and metric dimensional math units €" feet-inch-fractions, yards, decimal inches, meters, centimeters, millimeters, pounds, tons, grams, kilograms, metric tons, board feet, dry ounces.
The calculator also has a wide range of powerful math functions, including the ability to enter math equations using order of operations. And you can work with exponents, square roots, reciprocals and more.
What's in the Box
Tradesman Calc handheld calculator, cover with attached quick reference guide, user guide stored in an onboard pocket (Spanish available as download), one CR2016 battery. Backed by a one-year limited warranty.
Functions
| Right Triangle Math | Enter and calculate Angle, Hypotenuse, Opposite and Adjacent side lengths |
|---|---|
| Trigonometric Functions | Solve angle and side problems using Sine, Cosine, Tangent, Arcsine, Arccosine, Arctangent |
| Circle/Arc | Enter and calculate area, circumference, radius, diameter, Arc Angle, Arc Length, Chord Length, Arc Height |
| Ratios and Proportions | Find x, y values, calculate proportional values |
| Hexagon/Polygon | Find Exterior Angle, Interior Angle, Side Length, Outside Diameter, Inside Diameter, Perimeter and Area |
4400 Tradesman Calc Trades Math and Conversion Calculator
At a Glance
- Work in architectural (ruler) fractions, proper fractions, mixed number fractions, and improper fractions
- Solve dimensional math problems and convert between US and metric math units
- Solve angle and side problems with Strigonometry
- Enter and solve circle, arc, radius, lhexagonal, and polygonal dimensions
- Convert between decimal and fraction
- Enter and solve ratios and proportions
- Enter math equations using order of operations
- Work with exponents










