Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 04:08Z
12r² + 6r + 1 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
446K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
144K
4t² + 9t + 6 = 0
det| 9 4 ; 1 10 | = 86
259K
∇²ψ = 0
det| 2 7 ; 7 3 | = -43
224K
F = ma
CaCO₃ → CaO + CO₂
det| 4 8 ; 7 5 | = -36
\lim_{α\to 0} \frac{\sin α}{α} = 1