Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 02:06Z
∇²x = 0
∫₀^∞ e^(-α²) dα = √π / 2
168K
8n² + 3n + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
371K
∂x/∂α = 7x
∑_{k=1}^{n} k = n(n+1)/2
259K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\lim_{γ\to 0} \frac{\sin γ}{γ} = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\lim_{β\to 0} \frac{\sin β}{β} = 1
det| 9 4 ; 1 10 | = 86
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AgNO₃ + NaCl → AgCl↓ + NaNO₃
5ψ² + 5ψ + 0 = 0