Look up Japanese and English words with interactive text and incremental search. Access over 150,000 entries and 100,000 example sentences. Save favorites in customizable categories. Search without an internet connection.
Perform calculations with a multi-line display that supports complex expressions and order of operations. Edit equations, save history, and switch between and basic modes. Share results via copy or email.
Learn staff notation, music theory, and - through interactive exercises. Practice with customizable worksheets and quizzes. Track progress with detailed reports. Sync lessons across devices and access a library of musical examples for practice.
Manage events with customizable colors and labels. Set start day and year. Display holidays and days off with color coding. Use Rokuyo support and 24-hour time format. Add event labels with adjustable font size and color.
Perform complex calculations with 10 financial worksheets and 10 calculators. Switch between landscape and portrait modes. View results in decimal, fraction, or percentage formats. Save and recall previous calculations. Export data as text or PDF.
Take real exams from JLPT, college entrance, Japanese postgraduate, and Level 4 specialized exams. Simulate tests on mobile. Practice listening with translation, variable speed, dictation, phonetic notation, and general exercises.
Calculate with formulas and swipe between calculators
A calculator displays formulas during calculations. Users can switch between seven calculators by swiping. Perform basic and advanced math operations. Store and reuse calculation history. Adjust display settings for different modes.
The app offers a comprehensive browser for 152 chords and 162 scales, featuring staff notation, a notes quiz, and a symbol library. It includes a multi-touch piano and detailed views with intervals and descriptions for musicians.
Practice ACT with 490 questions and 49 revision notes. Take mock tests with mixed questions. Receive instant feedback on answers. Review each question with detailed explanations. Track progress with a progress meter.