Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-21 03:50Z
7ω² + 9ω + 6 = 0
∑_{k=1}^{n} k = n(n+1)/2
197K
∇²y = 0
det| 5 6 ; 2 6 | = 18
281K
det| 6 9 ; 0 7 | = 42
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
54K
F = G m₁m₂ / r²
∫₀^∞ e^(-t²) dt = √π / 2
10r² + 8r + 7 = 0