Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:04Z
4y² + 8y + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
iħ ∂ψ/∂t = Ĥψ
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
316K
∑_{k=1}^{n} k = n(n+1)/2
387K
∑_{k=1}^{n} k = n(n+1)/2
67K
\lim_{t\to 0} \frac{\sin t}{t} = 1
97K
\frac{7}{7} \sum_{i=1}^{n} i^{2}
338K
∑_{k=1}^{n} k = n(n+1)/2
276K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
256K