Calculator: All-in-One Pro

Calculator: All-in-One Pro is the only calculator you’ll ever need — a premium,
lightning-fast calculator, unit converter, live currency converter, and a full
set of everyday tools, all in one beautifully designed app. No ads clutter.
No sign-up.

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◆ BASIC + SCIENTIFIC CALCULATOR
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• Clean basic calculator for everyday math
• Full scientific calculator: sin, cos, tan, log, ln, √, ∛, x², powers,
factorial, absolute value, π and e
• DEG / RAD angle modes
• Live result preview as you type
• Smart error handling (no crashes, no wrong answers)
• Calculation history — tap any past result to reuse it
• Memory keys: MC, MR, M+, M−, MS

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◆ UNIT CONVERTER (10 categories)
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Convert instantly between:
Length · Mass · Temperature · Area · Volume · Speed · Time · Data ·
Pressure · Energy — with a fast built-in keypad and live results.

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◆ LIVE CURRENCY CONVERTER
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• Real-time exchange rates for 40+ world currencies
• Search any currency by code or name
• Favorites row for one-tap switching
• Works offline with the last saved rates
• Clear “live / updated” timestamp so you always trust the number

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◆ SMART TOOLS
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• Percentage calculator (% of, % change, what % is)
• Discount calculator — savings & final price
• Tip & split calculator — per-person totals
• BMI calculator with category
• Loan EMI calculator — monthly EMI, total interest, total payable

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◆ PREMIUM & PRIVATE
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• Gorgeous modern dark design with smooth animations & haptics
• Portrait-optimized, one-hand friendly
• Tiny download, blazing fast
• No ads. No sign-up. No sensitive permissions (no location, contacts,
or storage). We use privacy-friendly analytics only to improve the app.

Whether you’re a student, engineer, shopper, traveler, or just splitting a
dinner bill — Calculator: All-in-One Pro replaces your calculator, unit
converter, currency converter, tip calculator, EMI calculator, and more.

Download the all-in-one calculator today. It’s free.