Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:11Z
∇²x = 0
det| 10 7 ; 3 11 | = 89
168K
det| 3 6 ; 0 4 | = 12
446K
8n² + 3n + 6 = 0
∫₀^∞ e^(-r²) dr = √π / 2
144K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
∂x/∂α = 7x
det| 7 2 ; 7 8 | = 42
259K
det| 2 3 ; 5 3 | = -9
86K
\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
∑_{k=1}^{n} k = n(n+1)/2
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\lim_{β\to 0} \frac{\sin β}{β} = 1
\frac{2}{2} \sum_{i=1}^{n} i^{2}
70K