Take by hand with support for multiple fingers and smooth writing. Choose from four colors: black, red, blue, and green. Switch colors via a button. Write directly on the screen without additional tools.
by Kiyoshi Koike★ 1.01 ratingsProductivity$0.99Data updated 2026-09-08
View, scan, and manage PDF files with a clean interface. Use OCR to extract text from images and convert scanned documents to editable text. Access text-to-speech functionality for audio playback. Securely store files locally without cloud upload.
Record , brewing methods, and bean origins for each . Rate aromas, flavors, and aftertastes to track preferences. Create a digital journal to document experiences from cafes to home brewing.
Transpose prescriptions and calculate lens parameters
Transpose prescriptions and calculate compensated powers for tilt and vertex distance. Estimate blank size and lens thickness. View detailed equations and study references for additional insights.