Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:11Z
4y² + 8y + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
289K
det| 12 7 ; 5 13 | = 121
278K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
det| 6 7 ; 6 7 | = 0
339K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
177K
iħ ∂ψ/∂t = Ĥψ
AgNO₃ + NaCl → AgCl↓ + NaNO₃
121K
CaCO₃ → CaO + CO₂
det| 4 1 ; 2 5 | = 18
399K
det| 9 8 ; 1 10 | = 82
∑_{k=1}^{n} k = n(n+1)/2
11K
∂ω/∂t = 2ω
\binom{n}{k} = \frac{n!}{k!(n-k)!}
144K
\frac{10}{5} \sum_{i=1}^{n} i^{2}
97K
det| 5 5 ; 3 6 | = 15
338K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
276K
\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
346K