Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:42Z
iħ ∂ψ/∂t = Ĥψ
det| 3 7 ; 2 4 | = -2
168K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
446K
10t² + 5t + 5 = 0
det| 7 4 ; 4 8 | = 40
371K
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
259K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
det| 8 7 ; 1 9 | = 65
∑_{k=1}^{n} k = n(n+1)/2
234K
\frac{12}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
ω = 2πf
Fe₂O₃ + 3CO → 2Fe + 3CO₂
70K
CaCO₃ → CaO + CO₂
det| 8 4 ; 0 9 | = 72
det| 10 7 ; 6 11 | = 68