Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 00:57Z
4y² + 8y + 1 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
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2H₂ + O₂ → 2H₂O
det| 7 6 ; 1 8 | = 50
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\frac{10}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\oint_C \vec{F}\cdot d\vec{r} = 0
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iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
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det| 2 8 ; 7 3 | = -50
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det| 9 4 ; 1 10 | = 86
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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