Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:31Z
d/dn [n^4] = 4n^3
det| 2 7 ; 7 3 | = -43
384K
∫₀^∞ e^(-x²) dx = √π / 2
385K
\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
∫₀^∞ e^(-ω²) dω = √π / 2
163K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
305K
\frac{2}{4} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
293K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
110K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
34K
det| 9 4 ; 1 10 | = 86
354K