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
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
339K
iħ ∂ψ/∂t = Ĥψ
det| 2 6 ; 2 3 | = -6
358K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
316K
det| 9 8 ; 1 10 | = 82
AgNO₃ + NaCl → AgCl↓ + NaNO₃
144K
∫₀^∞ e^(-γ²) dγ = √π / 2
67K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
338K
∑_{k=1}^{n} k = n(n+1)/2
346K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K