Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:06Z
4y² + 8y + 1 = 0
\frac{12}{4} \sum_{i=1}^{n} i^{2}
46K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
468K
2H₂ + O₂ → 2H₂O
det| 7 3 ; 6 8 | = 38
289K
\frac{10}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-x²) dx = √π / 2
339K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
358K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
121K
CaCO₃ → CaO + CO₂
\frac{5}{6} \sum_{i=1}^{n} i^{2}
399K
det| 9 8 ; 1 10 | = 82
\binom{n}{k} = \frac{n!}{k!(n-k)!}
11K
∑_{k=1}^{n} k = n(n+1)/2
387K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
338K
det| 12 4 ; 3 13 | = 144
346K