Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:09Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
46K
2H₂ + O₂ → 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
177K
iħ ∂ψ/∂t = Ĥψ
det| 10 5 ; 6 11 | = 80
358K
CaCO₃ → CaO + CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
399K
det| 9 8 ; 1 10 | = 82
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K