Calculator Plus Basic & PEMDAS vs Calculator

Combining powerful calculations with fully customisable design — so your calculator looks and works just how you want it to! Built For Speed & Simplicity: Clean, simple, intuitive layout Instant, responsive calculations Large easy to read buttons and numbers Switch between standard and order of operations (PEMDAS) modes effortlessly Make It Yours: Over 50 color themes available, with more added regularly High-contrast colour themes for visually impaired users Favorite your top themes for quick switching Request your very own color theme Choose round or square buttons Smart Features That Matter: Full calculation history with US format date & timestamps - store up to a year of results Adjustable decimal precision Copy & paste from the display or calculation history Retro LCD or modern display Customisable haptic feedback intensity Sound effects on or off Optimized layouts for both iPhone and iPad Sales Tax calculations Currency conversions Speaking calculations Tips calculator Unit price calculator Discount percentage calculator Premium: Upgrade to Premium with a one-time purchase and: Unlock all Premium color themes and features forever on your iPhone and iPad No subscription Reasons to Love it: No clutter, no confusion — just an intuitive, great looking calculator Personalisation without limits

Calculator — Editable History, Tax & Reference. A simple, powerful calculator with a memo-style editable history. Tap any past calculation to edit the formula or equation, name your result, and reference it in your next math problem. Includes one-tap tax buttons and a notebook-style history for everyday math. No account registration, no subscription, free to use. Your calculation history is saved only on your device — never uploaded to our servers. Features ---------------- ■ Editable History Tap any past calculation in the history to edit the formula. Fix a typo, change a number, or update an equation — the result recalculates instantly. No other calculator lets you edit past math like this. ■ Named Results & Cross-Reference Name any calculation result (e.g., "Rent", "Groceries", "Tax") and reference it in future formulas. Use the calculator as a math notebook for budgets, expenses, or any everyday math. ■ One-Tap Tax Buttons Add or remove tax (consumption tax / sales tax) with a single tap. Customize the tax rate for your region. No more manual percentage math. ■ Full Calculation History Every calculation is saved automatically in your history. Scroll back anytime to review past results, and tap any entry to edit it. Perfect for keeping track of a long series of calculations. ■ Customizable Themes & Fonts Choose from multiple color themes and font sizes. Make the calculator easy to read for any age or visual preference. ■ Dark Mode Support Automatically adapts to your system appearance. Comfortable for the eyes when doing math at night. Recommended for ---------------- ■ Anyone tired of calculators with no editable history ■ People who need a memo-style calculator for budgets and expenses ■ Students who want to reference past results in new math problems ■ Anyone calculating tax or splitting a bill in everyday math --- Free, simple, and reliable. Download now to get the best editable history calculator with tax, formula reference, and named results.