Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 03:52Z
∇ × E = −∂B/∂t
det| 1 4 ; 3 2 | = -10
446K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 6 ; 5 7 | = 12
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∑_{k=1}^{n} k = n(n+1)/2
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∂x/∂n = 6x
CH₄ + 2O₂ → CO₂ + 2H₂O
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det| 7 4 ; 4 8 | = 40
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\lim_{x\to 0} \frac{\sin x}{x} = 1
\frac{2}{2} \sum_{i=1}^{n} i^{2}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}