Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:31Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
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det| 9 4 ; 1 10 | = 86
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iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 12 9 ; 5 13 | = 111
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3r² + 6r + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
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det| 5 6 ; 2 6 | = 18
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E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{r\to 0} \frac{\sin r}{r} = 1
316K
det| 3 6 ; 1 4 | = 6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
387K