FAQ

Scientific Calculator FAQ

Find quick answers about this independent online calculator, supported input methods, angle modes, scientific notation, and browser history.

FAQ

Common Questions

Is this an official Casio calculator?

No. This is an independent web calculator with a Casio-style scientific calculator interface. It is not affiliated with or endorsed by Casio.

Is this calculator free?

Yes. The MVP is a free scientific calculator online that runs in your browser without an account or subscription.

Does it work on mobile?

Yes. The calculator is designed to fit phone, tablet, and desktop screens with touch-friendly keys.

What is DEG/RAD mode?

DEG means trigonometric input and inverse output use degrees. RAD means the same functions use radians, which is common in higher math and programming.

Does it support scientific notation?

Yes. You can enter values such as 1e6, and the x10^x key inserts the e notation used by the expression engine.

Can I use keyboard input?

Yes. Number keys, basic operators, decimal point, Enter, Backspace, and Escape are supported for faster desktop use.

Does it save my calculation history?

Yes. The most recent calculations are stored in your browser localStorage so they remain after a refresh on the same device.