Observed arrival · 2026-08-28

FrameCalc: Physics That Refuses a Wrong Number

framecalc.site Observed source

Editorial interest 79/100 Selection signal · not a rating of the site

A browser workbench for relativistic kinematics, graphical physics labs, and labeled fusion diagnostics.

Landing page captured for the 2026-08-28 issue.

Field notes

FrameCalc groups several physics workflows around a stated shared kernel policy: invalid kinematics should be rejected rather than rendered as a result. Its visible catalog spans relativistic collisions and decays, Lorentz and Compton calculations, Kepler and Schwarzschild simulations, a Schrödinger packet, an Ising model, and fusion-oriented calculations. The homepage says free tools include LaTeX copying and plots with conserved quantities on screen, while Pro adds worksheet and data-export formats.

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○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

●ProPolished or operationally mature

◎NicheUnusually specific use

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