Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 21:57Z
7ω² + 9ω + 3 = 0
det| 4 8 ; 3 5 | = -4
46K
det| 7 4 ; 4 8 | = 40
468K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
289K
3n² + 8n + 2 = 0
det| 4 7 ; 2 5 | = 6
339K
∇²x = 0
det| 7 9 ; 1 8 | = 47
121K
F = ma
∇ × E = −∂B/∂t