The app prepares users for the Technician class amateur radio license exam by providing access to the question pool and practice exams. It identifies areas needing further study and allows users to review FCC rule text.
Play search puzzles with a color-coded grid and adjustable difficulty. hidden words, view definitions, and add new words to your vocabulary. Customize color schemes for reduced eye strain and improved readability.
View a 3D and rotate it using touch gestures. Zoom in and out with a pinch. Search for a country to navigate to it. Tap a country to display Wikipedia information.
Allows plotting of polar, cartesian, and parametric equations with unlimited expressions. Users can add sliders for function transformations, create tables for data input, and animate graphs.
The app offers modules for learning Morse code, including character recognition and copying practice. Users can customize settings like speed, pitch, and character groups for personalized learning.
Explore sets with Mandelbrot and Julia options. Adjust coordinates and iterations manually. Use pinch and swipe for navigation. Render high-quality images at extreme magnification. Leverage multi-core processing for faster performance.
Play a word find game by swiping to complete puzzles with scrambled letters. Progress through 2000+ levels to expand vocabulary. Explore an ongoing map with scenic backgrounds as you advance.
On an with multiple colors and add typed text to illustrations. Erase or delete drawings. Choose background colors for the . Save creations and share via email or Facebook. Additional markers and backgrounds available in the complete version.
The app generates random 5-letter words for Morse Code practice. It sends these words using the iPhone speaker and allows users to set WPM, dot speed, and tone frequency.