Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
by State Road 41 Apps LLC★ 4.657 ratingsUtilities$0.99Data updated 2026-09-12
Calculate triangle areas using side lengths or coordinates. Input side measurements for Heron's formula calculations. Enter X,Y coordinates to determine area. Export results and save calculations.
The app calculates the weight and price of various steel types, including construction, form, volume, and tube steel. It saves calculation history for easy access and includes data for commonly used steel models.
The app calculates the weight and price of various steel types including construction, form, volume, and tubes. It saves calculation history for easy access.