Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:12Z
4y² + 8y + 1 = 0
det| 8 8 ; 6 9 | = 24
46K
det| 6 4 ; 0 7 | = 42
468K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
339K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
399K
det| 9 8 ; 1 10 | = 82
AgNO₃ + NaCl → AgCl↓ + NaNO₃
11K
∑_{k=1}^{n} k = n(n+1)/2
387K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
144K
∑_{k=1}^{n} k = n(n+1)/2
67K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
97K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
346K