Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:33Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
\frac{6}{1} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
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det| 9 4 ; 1 10 | = 86
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∂x/∂θ = 8x
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{3}{2} \sum_{i=1}^{n} i^{2}
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3φ² + 4φ + 2 = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
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∑_{k=1}^{n} k = n(n+1)/2
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det| 8 9 ; 4 9 | = 36
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