Graphical labs · Discrete lab (diagnostics on screen)
N-body gravity
Softened Newton + velocity Verlet
ÿᵢ = −Σⱼ G mⱼ (rᵢ−rⱼ) / (|rᵢ−rⱼ|²+ε²)^{3/2} · velocity Verlet
- E
- -1.28672
- ΔE/E₀
- 0
- Pₓ
- 0
- Pᵧ
- 0
Finite-difference / Monte Carlo / RK scheme at teaching resolution. Conserved quantities are diagnostics. FrameCalc is an educational workbench. It is not for medical, nuclear-safety, radiation-protection, or engineering sign-off. Fusion and IEC estimates are models, not device predictions. Accuracy · Legal