Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:27Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{x\to 0} \frac{\sin x}{x} = 1
46K
∑_{k=1}^{n} k = n(n+1)/2
468K
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
3r² + 6r + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
339K
∫₀^∞ e^(-α²) dα = √π / 2
177K
E = mc²
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 9 4 ; 1 10 | = 86
399K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
316K