OmniCalc

OmniCalc — The All-in-One Smart Calculator

Meet OmniCalc: a beautifully designed, feature-packed calculator
built for everyone — from students and engineers to everyday users
who want more than just basic arithmetic.

Wrapped in a stunning Dark Glassmorphism interface, OmniCalc
combines the power of a scientific calculator, a multi-category
unit converter, and a suite of practical tools — all in one
elegant, fast, and completely offline app.

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🔢 CALCULATOR — THREE MODES IN ONE
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▸ Standard Mode
Handles everyday math with a clean, responsive keypad.
Addition, subtraction, multiplication, division — done right.

▸ Scientific Mode
Tackle advanced mathematics effortlessly.
• Trigonometry: sin, cos, tan and their inverses
• Logarithms: log (base 10) and natural log (ln)
• Power & Root: x², x³, xⁿ, √, ∛
• Constants: π (Pi), e (Euler's number)
• Full parentheses support with auto-close

▸ Programmer Mode
Built for developers and computer science enthusiasts.
• Live base conversion: HEX, DEC, OCT, BIN simultaneously
• Bitwise operations: AND, OR, XOR, NOT
• Bit shifting: LSH (Left Shift), RSH (Right Shift)
• Hexadecimal digit input: A, B, C, D, E, F

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🔄 UNIT CONVERTER — 5 CATEGORIES
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Convert between units instantly with our smart search engine.
Just type a unit name and the list filters in real time.

• Length — Meter, Kilometer, Mile, Inch, Foot and more
• Weight — Kilogram, Pound, Ounce, Milligram and more
• Volume — Liter, Milliliter, Gallon, Cubic Meter and more
• Area — Square Meter, Hectare, Acre, Decare and more
• Temperature — Celsius, Fahrenheit, Kelvin

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🛠️ TOOLS — PRACTICAL EVERYDAY CALCULATORS
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▸ Date Calculator
Select any two dates using the native calendar picker and
instantly know the exact number of days between them.
Perfect for countdowns, deadlines, and anniversaries.

▸ Discount Calculator
Enter an original price and slide the discount percentage.
See your final price and how much you save — instantly,
no equals button needed.

▸ Fuel Calculator
Plan any road trip with ease. Enter distance, fuel efficiency
(L/100km), and price per liter to calculate your exact trip
cost and total fuel requirement.

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📜 CALCULATION HISTORY
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Every calculation is automatically saved to a local database,
grouped by Today, Yesterday, and older dates. Review your past
work anytime — and clear it all with one tap from Settings.

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⚙️ SETTINGS & CUSTOMIZATION
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• Toggle Haptic Feedback on/off for keypad presses
• Clear your entire calculation history securely
• About section with app version information

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🔒 PRIVACY — 100% OFFLINE
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OmniCalc works entirely offline. No account required.
No ads. No tracking. No internet access needed.
Your data stays on your device — always.

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✨ WHY OMNICALC?
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✔ Beautiful Dark Glassmorphism UI
✔ Three calculator modes in one app
✔ Smart unit converter with search
✔ Four practical daily-use tools
✔ Persistent calculation history
✔ Fully offline & privacy-friendly
✔ Built with Flutter for smooth performance
✔ No ads, no subscriptions, completely free

OmniCalc is the last calculator app you will ever need.
Download it today and experience the difference.