How it works
Fill in the 4 fields above and Cross Product Magnitude (2D) calculates the result instantly, recalculating as you change any value. It applies the formula aₓbᵧ − aᵧbₓ. The math runs locally in your browser — nothing is sent to a server.
Formula
aₓbᵧ − aᵧbₓExamples
- a.x 2, a.y 3, b.x 4 → Cross product: -10
Frequently asked questions
How do I use the Cross Product Magnitude (2D)?
Enter your values in the 4 input fields and the result is calculated automatically as you type. Change any value to see the numbers update instantly.
What formula does the Cross Product Magnitude (2D) use?
It uses aₓbᵧ − aᵧbₓ. The calculation is performed in your browser using standard, well-established math for accurate results.
Is my data private?
Yes. The Cross Product Magnitude (2D) runs entirely in your browser. Nothing you enter is uploaded, saved to a server, or shared — it never leaves your device.
Is the Cross Product Magnitude (2D) free?
Yes, it is completely free with no sign-up, no limits and no watermarks. Like every tool on math and the rest of the platform, you can use it as often as you like.
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