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 17:18Z

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

11t² + 9t + 7 = 0

46K

∇²r = 0

468K

iħ ∂ψ/∂t = Ĥψ

e^{i\pi} + 1 = 0

289K

det| 11 9 ; 0 12 | = 132

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3r² + 6r + 7 = 0

8ψ² + 7ψ + 0 = 0

339K

det| 1 4 ; 3 2 | = -10

177K

E = mc²

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

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

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

399K

1n² + 7n + 3 = 0

316K

∇ × E = −∂B/∂t

11K