Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
\frac{5}{4} \sum_{i=1}^{n} i^{2}
46K
2H₂ + O₂ → 2H₂O
CH₄ + 2O₂ → CO₂ + 2H₂O
289K
det| 9 6 ; 3 10 | = 72
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
∑_{k=1}^{n} k = n(n+1)/2
177K
iħ ∂ψ/∂t = Ĥψ
\frac{6}{3} \sum_{i=1}^{n} i^{2}
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
97K
det| 3 9 ; 7 4 | = -51
276K
\lim_{z\to 0} \frac{\sin z}{z} = 1
346K
∫₀^∞ e^(-ψ²) dψ = √π / 2
256K