Free Tool

Scientific Calculator

Perform advanced scientific calculations, unit conversions, and real-time currency exchange — all in one tool.

Scientific Calculator — Polar Tech Comfort

Features

What This Tool Offers

Everything packed into one free, browser-based tool.

Trigonometric, logarithmic, exponential, factorial, and more — full scientific mode at your fingertips.

Real-time exchange rates for 150+ currencies, updated automatically every session.

Every calculation is logged in a scrollable history panel — review, reuse, or clear anytime.

Full keyboard support for rapid input — arrow keys, Enter to calculate, Escape to clear.

Guide

Get started in under a minute — no experience needed.

Choose between Standard, Scientific, or Currency converter using the mode tabs at the top.

Type numbers and operators using the on-screen keypad or your physical keyboard.

Results appear instantly. For currency conversion, rates refresh automatically with live data.

Scroll through past calculations in the history panel. Click any entry to reuse it.

Output

Here's exactly what this tool delivers after every run.

Instant calculation results with full decimal precision

Currency conversions with live exchange rates and source attribution

Scrollable calculation history with timestamps

Support for parentheses, nested expressions, and operator precedence

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