Calculator : Formula & History

Stop switching between apps and losing your place. Meet the smart tape calculator designed for speed and accuracy, where your entire calculation lives on a single, interactive screen.

Mistakes are inevitable, but starting over isn't. With our live calculation tape, you see the full equation for every entry. Spot an error? Just tap to fix it, and watch everything update instantly. No more re-typing, no more frustration.

Go beyond basic math with Smart Linking—our revolutionary feature that gives you the power of a spreadsheet with the simplicity of a calculator. Use a result from one calculation in another. When the original number changes, all linked calculations update automatically! It's perfect for budgeting, comparing scenarios, and "what-if" analysis on the fly.

Key Features That Power Your Workflow:

📝 Live Calculation Tape: Your full calculation history is always visible and editable on one screen. No more switching to a separate history view.

🔗 Smart Linking: Link results that update automatically when the source number changes. Perfect for complex, multi-step calculations.

✍️ Memos for Context: Add notes to any calculation so you'll always remember what the numbers mean.

✅ Interactive Checklists: Turn your calculation list into a powerful tool. Check items to see instant subtotals—ideal for expense reports and project budgets.

🔍 Powerful Search: Instantly find past calculations by keyword across all your lists.

⌨️ Custom Keyboard Shortcuts: Save time by adding your most-used calculations (like "+10% tax" or "-20% discount") directly to your keyboard.

📚 Multiple Lists: Organize your calculations by project, client, or purpose to keep your work streamlined and clutter-free.

Stop just calculating. Start working smarter. Download today and transform the way you manage numbers.