Scientific Calculator Online

Calculator• Free • No login • Browser-based • India 2026

Full scientific calculator with trigonometry, logarithms, powers, roots, factorial. Calculation history. Works on mobile.

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About Scientific Calculator Online

Ull-featured scientific calculator: basic arithmetic, trigonometric functions (sin, cos, tan, in degrees or radians), logarithms (log, ln), powers (x^y, √x, ∛x), factorial (n!), and memory functions (M+, M-, MR, MC). Calculation history panel.

A scientific calculator is essential for students in Classes 10–12, engineering entrance exam preparation (JEE, BITSAT), and professional work in science, engineering, and finance. This browser-based calculator works without installing any app, supports trigonometric functions in both degrees and radians, and keeps a calculation history for reference.

How to use

  1. Enter your values in the input fields — results update instantly as you type.
  2. No submit button needed. The tool calculates in real time.
  3. Copy your result or share it via WhatsApp or Twitter using the buttons above.
  4. Use the workflow links below to chain into related tools for a complete task.
  5. All processing is browser-only. Nothing you enter is sent to any server.

Tool details

Cost
Free forever
Privacy
No data sent
Speed
Instant result
Device
Any screen

⚡ Next step — complete your workflow

Frequently asked questions

How to calculate sin 30° online?

Set mode to Degrees, press 3, 0, then sin. Result: 0.5. In radians: sin(π/6) = 0.5.

What is log vs ln?

log = log base 10 (common logarithm). ln = log base e (natural logarithm, where e ≈ 2.71828). log(100) = 2. ln(e²) = 2.

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