Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
46K
2H₂ + O₂ → 2H₂O
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
358K
det| 2 9 ; 4 3 | = -30
399K
\frac{5}{4} \sum_{i=1}^{n} i^{2}
316K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
387K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
∑_{k=1}^{n} k = n(n+1)/2
97K
det| 10 9 ; 7 11 | = 47
276K