Scientific Calculator
A lightweight browser-based scientific calculator supporting algebra, trigonometry, and logarithms.
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Frequently Asked Questions
Is this scientific calculator free to use?
Yes, the scientific calculator is completely free with no login or usage limits.
Does it work offline?
Yes. All calculations run directly in your browser using JavaScript's built-in Math functions — nothing is sent to a server.
What functions does it support?
It supports basic arithmetic plus scientific functions including sin, cos, tan, log (base 10), ln (natural log), square root, exponents (^), and the constants π and e.
How accurate are the results?
Results use standard double-precision JavaScript floating-point math, the same precision used by native browser calculations, so accuracy matches what you'd expect from any digital scientific calculator.