Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:05Z
4y² + 8y + 1 = 0
∫₀^∞ e^(-x²) dx = √π / 2
468K
2H₂ + O₂ → 2H₂O
det| 4 9 ; 6 5 | = -34
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\lim_{θ\to 0} \frac{\sin θ}{θ} = 1
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\oint_C \vec{F}\cdot d\vec{r} = 0
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\lim_{ψ\to 0} \frac{\sin ψ}{ψ} = 1
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\frac{11}{4} \sum_{i=1}^{n} i^{2}
396K