Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:10Z
4y² + 8y + 1 = 0
det| 4 1 ; 2 5 | = 18
468K
2H₂ + O₂ → 2H₂O
det| 4 5 ; 1 5 | = 15
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
\frac{11}{4} \sum_{i=1}^{n} i^{2}
338K
CH₄ + 2O₂ → CO₂ + 2H₂O
276K
∑_{k=1}^{n} k = n(n+1)/2
256K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
348K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
396K