CalcNote - Notepad Calculator

Write like a note. Calculate instantly.
CalcNote is a notepad-style calculator app that updates results instantly. Type numbers and text on multiple lines—prices, taxes, quantities, notes—and CalcNote recalculates automatically. It’s faster than a traditional calculator and more flexible than a spreadsheet.

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Why CalcNote?
- Instant results: Edit any line and totals update immediately—no “=” needed.
- Many lines at once: See multiple problems, subtotals, and the grand total together.
- Spreadsheet-like power: Use functions (sum, avg, median, stdev), references, and variables without building a full sheet.
- Saves and shares: Keep your math as files, print, or share via Android.

Perfect for everyday math and money
- Budgeting & expense tracking: groceries, utilities, subscriptions, trip costs.
- Shopping comparisons: price × quantity, shipping, discounts, coupons, tax/VAT.
- Bills & invoices: line items, service fees, tips, and taxes.
- Travel budgets: flights, hotels, per-day costs, currency conversion.
- Study & work: statistics, engineering, financial and scientific calculations.

Built-in calculator features
- Percent & tax: add/remove tax, discounts.
- Converters: currency converter and unit converter (length, area, volume, weight, etc.).
- Scientific & financial: trigonometry, logs, powers, roots, factorial, permutations, combinations.
- Aggregate functions: sum, average, min, max, median, variance, standard deviation.
- Variables & reuse: store values, reuse results across lines, reference earlier lines.
- User-defined functions: extend with custom logic (JavaScript).
- Bases & bitwise: hex, octal, binary, and bitwise operations.

Customize your workspace
- Appearance: themes, colors, fonts, and button sounds/vibration.
- Layout: reorder buttons and menus, hide what you don’t use.
- Math rules: rounding methods, decimal places, tax rates, precision.
- Grammar: choose decimal points, comment symbols, and more.
- Personal library: save constants and custom functions.

Example: quick shopping comparison
Shop A: USD 18 × 2 + USD 4 (shipping)
Shop B: USD 19 × 2 + 8% (sales tax)
Shop C: USD 18.30 × 2 + USD 5 − USD 2 (points)
→ Edit any part; totals update instantly.

Who is it for?
- Users seeking a calculator app that feels like a note-taking app.
- People comparing prices, managing budgets, or logging daily expenses.
- Anyone who wants spreadsheet-style functions without a heavy spreadsheet.
- Students, engineers, freelancers, and small businesses making invoices and estimates.

Why it boosts productivity
- Keep numbers together with context (labels, comments, units).
- Replace back-and-forth between a calculator, notes, and a spreadsheet.
- Recalculate entire notes by changing just one line.

Helpful details
- Works great as a household account book / money manager for simple daily tracking.
- Supports budget categories with subtotals and a final total.
- Use the unit & currency converter to normalize prices before comparing.
- Print or share your calculations as needed.

Notes
Currency conversion may require internet for the latest exchange rates.

Disclaimer
Results depend on your inputs and settings. For critical work, verify calculations.

CalcNote aims to offer Soulver on Android.
Special thanks go to Zac Cohan, the creator of Soulver.

Download CalcNote and experience a faster, clearer way to calculate, convert, and budget.