Rolled Paper Calculator 8.13

An Innovative, User-Friendly Calculator with History

This calculator, recognized as one of AppBank's Best iPhone Apps of 2010, is highly regarded for its user-friendly design and functionality, enhancing the accuracy and efficiency of daily calculations.

Use Cases:

• Calculating expenses while shopping
• Double-checking household finances
• Calculating business expenses
• Learning tool for students

Main Features:

1. Scrolling Paper Display: This feature presents calculations in a scrollable format, enabling users to review their work effortlessly.
2. Standard/Advanced/Note Keyboard Switching: The calculator includes three keyboard modes—Standard, Advanced, and Note—facilitating easy mode switching based on user preferences.
   • Standard: Basic calculator functions are readily accessible.
   • Advanced: An extended keyboard provides a variety of advanced features.
   • Note: This mode offers note-taking functionality to save calculation results.
3. Flexible Decimal Point Modes: Users can choose from three decimal display options:
   • F (Free): Unlimited decimal places.
   • 0 (Zero): Displays integers only.
   • 2 (Euro mode): Shows values with up to two decimal places.
   The "dp/VAT" button in Advanced mode allows for easy switching between these settings.
4. VAT Calculation Feature: In Advanced mode, users can set the VAT rate by long-pressing the "dp/VAT" button and switch to +VAT mode to automatically include tax in calculations.
5. Scan Function: The "SCAN" button enables users to automatically input numbers from receipts or price lists, streamlining the entry of large figures, particularly useful for tax returns.
6. Advanced Calculation Features:
   • Simplified square root calculation using the "√" button.
   • The ability to invert signs with the "±↻" button.
   • A backspace function to correct input errors without starting over.
   • A restore function to recover deleted numbers in Advanced mode.
   • The "C/AC" button resets current inputs or clears all scroll content based on user preference.
7. Copy Function: Users can conveniently copy calculation history from the scrolling display using the "copy" button in Advanced mode.
8. Total Calculation Function: The "=/Σ" button provides instant results; a long press in Advanced mode calculates the sum of all results displayed on the scroll.
9. Note Function: Users can save calculation results as notes for future reference. Notes are organized by date for easy retrieval and management. Notes can be created and edited in Note mode or by long-pressing the "C/AC" button.
10. User-Friendly Interface:
    • Intuitive and straightforward operation.
    • Crisp display for clear visibility.
    • Support for dark mode enhances usability in low-light environments.
    • Simplified switching among Standard, Advanced, and Note modes facilitates user experience.
11. NoteToCalc Function: This feature allows users to import saved note content directly into the calculator for batch calculations on recorded unit prices without needing to perform individual calculations initially.
12. All Sum Function: After importing notes via NoteToCalc, users can long-press the "+/sum" button in Advanced mode to automatically compute the total sum of all imported values.

Compatible Devices:

This calculator is available for iPhone, iPad, and Mac (Apple Silicon), with optimized layouts for each device's screen size, ensuring an exceptional user experience across platforms.