scientific calculator with all functions

Premium Scientific Calculator
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✨ Free Online Tool

The Premium Scientific Calculator You Deserve

scientific calculator is a beautifully designed, lightning-fast calculator with full scientific functions, unlimited history, memory slots, dark & light modes, and complete keyboard support. Free. Forever.

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✅ No Signup ✅ 100% Free ✅ Mobile Friendly ✅ Keyboard Support
50+
Scientific Functions
15
Decimal Precision
95+
Lighthouse Score
0ms
Extra Load Time

Try It Now

Fully functional right here — no download or install needed.

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Everything You Need

Packed with professional tools in a clean, distraction-free interface.

🧠

50+ Scientific Functions

Trig, hyperbolic, logarithms, powers, roots, factorial, modulus, absolute value — 50+ functions.

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Unlimited History

Every calculation saved with timestamp. Search, reuse, favorite, download, or print.

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Memory Functions

Full MC, MR, MS, M+, M− support with visual indicator. Persists across sessions.

⌨️

Keyboard Shortcuts

Type 0–9, operators, Enter, Escape, Backspace, Ctrl+C to copy, Ctrl+V to paste.

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Dark & Light Mode

Switch themes with one click. Preference saved to localStorage automatically.

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Fully Responsive

Optimized for all screen sizes. Thumb-friendly buttons, no horizontal scrolling.

How to Use

Get started in seconds with zero learning curve.

  1. 1

    Type or Click

    Enter numbers and operators using buttons or your keyboard.

  2. 2

    Apply Scientific Functions

    Enter a number, then tap sin, cos, log, x², or any function to apply instantly.

  3. 3

    Press = or Enter

    Get your result. It's automatically saved to History with a timestamp.

  4. 4

    Copy or Share

    Tap Copy to copy to clipboard or Share to send the result via Web Share API.

⌨️ Keyboard Shortcuts

Numbers & Operators0–9 + - * /
CalculateEnter / =
Clear AllEscape
BackspaceBackspace
Copy ResultCtrl + C
Paste NumberCtrl + V
Parentheses( )

Frequently Asked Questions

Is this calculator really free? ▼

Yes, 100% free with no ads on the calculator itself, no account required, and no usage limits.

Does it work offline? ▼

The calculator runs entirely in your browser. Save the HTML file locally for full offline access.

How accurate is it? ▼

Results use JavaScript's IEEE 754 double-precision floating point, rounded to 15 significant digits to eliminate floating-point noise.

Is my calculation history stored on a server? ▼

No. History lives only in your browser's localStorage. Nothing is sent to any server. Clear it anytime with the trash icon.

Can I use it on mobile? ▼

Absolutely. The layout adapts to all screen sizes with thumb-friendly buttons and no horizontal scrolling.

Ready to Calculate?

Jump straight in. No download, no signup, no waiting.

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