My World Tools

Magnetic Field Lines

Explore how field lines curve for a single magnet or two interacting magnets.

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You might also find these useful

Permutations & CombinationsEnter n and r to instantly calculate nPr and nCr.
Moon Phase CalendarSee the moon's phase and illumination for any date, calculated on the spot.
Molar Mass CalculatorEnter a chemical formula like Ca(OH)2 to compute its molar mass and element breakdown.
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Fractal ViewerExplore the Mandelbrot and Julia sets — click anywhere to zoom into the pattern.
Golden RatioSee a rectangle divided again and again by the golden ratio, forming the classic spiral pattern.
PID ControlTune P, I, and D gains and watch how the system responds — overshoot, oscillation, or a smooth approach.
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