Allows users to create chemical process models using a touch-enabled PFD drawing interface. It supports offline operation and performs VLE/VLLE/SVLE/SVLLE calculations with equation of state and activity coefficient methods.
Record and playback high-quality audio sessions with no compression or drop-outs. Share video lessons and interact in real-time. Access sheet , chord charts, and performance tips. Track progress and receive instant feedback during practice.
A metronome with adjustable beats-per-minute from 40 to 208. Provides audible and visual beat indicators. Includes a chromatic tuner that guides users to the correct pitch with an animated indicator.
Offers memory and calculation exercises to enhance cognitive skills. Users can save up to four data profiles for family use. difficulty adjusts based on accuracy, with levels increasing as performance improves. A test is available to assess progress.
Solve Arrow Words puzzles with clues displayed in the grid. Choose from 4 difficulty levels with varying grid sizes and word complexity. Complete puzzles by filling in answers across or down. Track progress and access 1200 unique puzzles.
Learn and practice IFR procedures with realistic simulations. Navigate using charts and instruments. Practice approaches, holds, and instrument approaches. Track progress and review performance metrics.
Practice addition and subtraction within 20 using a 100-bead string. Arrange beads in rows of 1, 2, or 10. Move and reset beads easily. Annotate work and explore place value, counting, and number composition. Supports Common Core standards.
Learn molecular , genetics, and evolution through structured modules with visual aids and plain language. Complete short quizzes after each section to test understanding and progress. Track progress with clear diagrams and bite-sized content.
Edit and annotate PDF files. Convert scanned text and images to searchable PDFs. Listen to text with customizable voices and synchronized highlighting. Save and share annotated PDFs. Sync with other PDF apps.
A calming -based game with five stages. Players tap falling eggs to create bugs and interact with them. Each stage offers different motions and sounds. Users can customize touches to suit their mood.
Learn iOS development through interactive with tap, double tap, long press, drag and drop, and shortcut actions. Practice coding features directly in . Solve problems through hands-on exercises and receive real-time feedback.
Convert numbers between bases 2 to 30 with real-time updates. Perform calculations in multiple number systems. Display results accurately with a clean, intuitive interface. Switch between bases instantly for precise outputs.
Learn basic with interactive lessons and . Practice verb tenses, sentence structure, and vocabulary. Test knowledge through quizzes and progress tracking. Play " " to identify correct words in a timed game. Track progress and set learning goals.