Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-19 17:14Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
468K
iħ ∂ψ/∂t = Ĥψ
∑_{k=1}^{n} k = n(n+1)/2
289K
3r² + 6r + 7 = 0
det| 12 6 ; 0 13 | = 156
339K
E = mc²
\lim_{x\to 0} \frac{\sin x}{x} = 1
358K
det| 4 8 ; 3 5 | = -4
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 9 4 ; 1 10 | = 86
11K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
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