Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-18 23:43Z
d/dn [n^4] = 4n^3
∫₀^∞ e^(-r²) dr = √π / 2
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
det| 12 9 ; 5 13 | = 111
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\lim_{r\to 0} \frac{\sin r}{r} = 1
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iħ ∂ψ/∂t = Ĥψ
\frac{2}{4} \sum_{i=1}^{n} i^{2}
det| 5 7 ; 5 6 | = -5
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 7 9 ; 1 8 | = 47
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Fe₂O₃ + 3CO → 2Fe + 3CO₂
2r² + 6r + 7 = 0