Create and organize materials by uploading PDFs and labeling songs with titles. Store librettos, scripts, and sides in one place. Switch between performance and edit modes to review or modify content.
Take photos or load images from the library. Add handwritten notes and drawings. Apply filters. Enlarge images for detailed editing. Save original files and multiple sizes. Share via email. Paint on images without access.
Performs arithmetic operations using numerals. Users can convert between and Arabic numbers. The supports landscape mode for additional functions and displays results in numerals. Backgrounds and button styles are customizable.
Calculate decimal, binary, octal, and hexadecimal values
Perform decimal, binary, octal, and hexadecimal arithmetic. Convert between number systems. Apply binary logic functions. Use parentheses for operator grouping. Input hexadecimal values using A-F keys.
Calculate with scientific precision and enhanced functions
Simulate the HP-45 scientific calculator with photo-realistic visuals and original LED or LCD display. Print calculations, animate keys with sound and feedback, and replicate the calculator's computation times.
Write and execute Perl scripts with auto-complete, auto-indent, and code coloring. Run selected text or files directly. Support multiple file formats and STDIN input. Use code templates and edit files in a built-in browser or text editor.
Create and organize notes with drag-and-drop reordering and swipe-to-delete. Lock notes with a password or biometric authentication. Securely store data with background locking.
A allows users to view and edit notes from the last session. Pages can be navigated by swiping left/right or tapping frames, with page increments set to 1 or 5. Users can tap specific areas on each page to input text.