Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 07:39Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
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\frac{6}{1} \sum_{i=1}^{n} i^{2}
det| 5 2 ; 3 6 | = 24
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det| 9 4 ; 1 10 | = 86
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∂x/∂θ = 8x
∑_{k=1}^{n} k = n(n+1)/2
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∑_{k=1}^{n} k = n(n+1)/2
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3φ² + 4φ + 2 = 0
5ω² + 6ω + 0 = 0
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∫₀^∞ e^(-θ²) dθ = √π / 2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\frac{4}{9} \sum_{i=1}^{n} i^{2}
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e^{i\pi} + 1 = 0
3t² + 3t + 7 = 0