Σ index Eq pack 19 Eq pack 13 Σ#12 Batch 22 Matrix 17 Σ#24 Batch 10 Ledger /9 Rxn set 8 Eq pack 25 Σ#18 Rxn set 26 Rxn set 14 Matrix 5 Ledger /3 Matrix 23

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-19 07:37Z

∑_{k=1}^{n} k = n(n+1)/2

\binom{n}{k} = \frac{n!}{k!(n-k)!}

46K

det| 9 4 ; 1 10 | = 86

468K

\frac{6}{1} \sum_{i=1}^{n} i^{2}

\lim_{t\to 0} \frac{\sin t}{t} = 1

289K

9ψ² + 7ψ + 3 = 0

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∂x/∂θ = 8x

d/dt [t^3] = 3t^2

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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

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3φ² + 4φ + 2 = 0

λ = h/p

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∑_{k=1}^{n} k = n(n+1)/2

121K

iħ ∂ψ/∂t = Ĥψ

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11φ² + 4φ + 0 = 0

316K