Yes. All 42 tools are 100% free with no signup, no ads in your face, and no hidden limits. The core tools will always be free.

Do AHX tools upload my data to a server?

No. Every tool runs entirely in your browser using JavaScript. Your data never leaves your device.

Can I use AHX offline?

Yes. Once the page has loaded, every tool works without an internet connection. AHX is installable as a PWA.

Is Scientific Calculator free?

Yes. Scientific Calculator is 100% free with no signup and no usage limits.

Does Scientific Calculator upload my data?

No. Scientific Calculator runs entirely in your browser. Your data never leaves your device.

Do I need to install anything?

No. Scientific Calculator works in any modern web browser. Just visit the page and start using it.

AHX

Scientific Calculator

Advanced scientific calculator with trig, log, exponentials.

Runs entirely in your browser. No data leaves your device.

About Scientific Calculator

Advanced scientific calculator with trigonometric functions (sin, cos, tan), logarithms, exponentials, factorials, and memory. Everything runs in your browser — no signup required.

Common use cases

Calculate trigonometric values
Compute logarithms and exponentials
Solve complex math problems
Scientific homework and research

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