Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 01:41Z
iħ ∂ψ/∂t = Ĥψ
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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10t² + 5t + 5 = 0
∑_{k=1}^{n} k = n(n+1)/2
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∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
86K
det| 8 7 ; 1 9 | = 65
det| 9 4 ; 1 10 | = 86
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\frac{12}{6} \sum_{i=1}^{n} i^{2}
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\frac{12}{9} \sum_{i=1}^{n} i^{2}
det| 2 2 ; 6 3 | = -6
ω = 2πf
CaCO₃ → CaO + CO₂