Calculator - Editable History

Tired of calculators with no editable history? Looking for a calculator that doubles as a memo notebook? Need to apply tax, fraction, decimal, or reference past calculations in new formulas?

This is the calculator you've been waiting for. Edit any past calculation in the history, name your results, and reference them in future math problems. Add tax with one tap. Switch between fraction and decimal. All in a simple, clean interface.

Why choose this Calculator?
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■ Editable history — fix mistakes without redoing everything
■ Named results & cross-references — use as a math notebook
■ One-tap tax buttons (consumption tax / sales tax / VAT)
■ Fraction and decimal display toggle
■ Multiple themes and customizable font sizes
■ No account registration
■ No subscription needed
■ Works without internet for all calculations
■ Calculation history saved only on your device
■ Dark mode support — easy on the eyes at any time

Features
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■ Editable History
Tap any past calculation in the history to edit the formula or numbers. The result recalculates instantly. No other calculator app lets you correct mistakes this easily.

■ Named Results & References
Give any calculation result a name (like "Rent" or "Tax") and use it in your next formula. Turns the calculator into a math notebook.

■ One-Tap Tax
Calculate with or without tax in one tap. Custom tax rate for any region.

■ Fraction & Decimal Display
View any result as a fraction or decimal. Useful for cooking, construction, or quick math.

■ Customization
Choose your theme, font size, and decimal precision.

■ Dark Mode Support
Automatically switches based on system settings. Comfortable for night use.

Who is this for?
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■ People who do math throughout the day and need to edit past calculations
■ Anyone calculating budgets, expenses, or splitting bills
■ Students who want to reference past math results
■ Shoppers calculating sales tax or VAT

Download now and experience the difference!