The app offers a financial calculator with RPN entry and functions matching the HP-12C. It features visible financial registers, a two-line display, and program lines showing function names for easier use.
The app offers practice for middle school math skills, covering topics like rational numbers, radicals, scientific notation, graphs, and geometry. It provides three difficulty levels per topic and aligns with Common Core State Standards.
Practice musical and chord recognition with customizable exercises. Select difficulty levels from beginner to advanced. Track progress and receive recommendations for targeted skill development. Sync with Apple Health to monitor practice sessions.
The app identifies the key of any sound in real time using the device microphone. It displays matching keys in classic notation or harmonic code and follows tone changes with a dynamic display.
Learn guitar notes with interactive educational games. Practice musical ear training, study over 500 chords across the , and explore scales in various positions. Customize tuning and select modes for focused practice.
Solves math problems with support for multi-story fractions, powers, and roots. Calculates trigonometric functions and complex numbers. Stores expressions and answers. Switches between basic, , and fraction modes.
Teaches using a built-in keyboard. Learners progress through letters, punctuation, and numbers. Maps finger positions to dot notation. Allows full sentences by the end of training. Includes exercises for practicing input.
Learn music theory with a visual . Explore relationships between major, minor, and diminished keys. View key signatures and triads. Play or mute chords and arpeggios. Lock the for reference.
The app offers unit and currency conversion across hundreds of categories. It includes mortgage, loan, and tip calculators, with the ability to edit, add, or download templates.
Look up words with definitions, pronunciations, example sentences, synonyms, and antonyms. Tap any word in text for instant lookup. Search offline with fast, incremental results. Access history of last 50 looked-up words.
Learn programming concepts through a functional language with global and local variables. Test calculations using polish notation and recursion. Use arrays for data manipulation.