Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:13Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
289K
det| 9 4 ; 1 10 | = 86
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
\frac{5}{4} \sum_{i=1}^{n} i^{2}
121K
CaCO₃ → CaO + CO₂
det| 7 9 ; 6 8 | = 2
316K
det| 9 8 ; 1 10 | = 82
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
387K
∑_{k=1}^{n} k = n(n+1)/2
144K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
67K