Σ index Ledger /3 Matrix 11 Matrix 23 Rxn set 8 Rxn set 20 Batch 16 Σ#6 Eq pack 13 Σ#24 Σ#12 Matrix 17 Ledger /9 Rxn set 26 Batch 4 Σ#18

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-18 22:01Z

∑_{k=1}^{n} k = n(n+1)/2

d/dx [x^9] = 9x^8

384K

1n² + 7n + 3 = 0

385K

det| 11 9 ; 4 12 | = 96

det| 7 4 ; 4 8 | = 40

163K

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

259K

∇ × E = −∂B/∂t

iħ ∂ψ/∂t = Ĥψ

305K

det| 3 7 ; 2 4 | = -2

57K

d/dψ [ψ^7] = 7ψ^6

293K

N₂ + 3H₂ ⇌ 2NH₃

110K

2n² + 4n + 0 = 0

300K

∫₀^∞ e^(-t²) dt = √π / 2

34K

∑_{k=1}^{n} k = n(n+1)/2

354K

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

368K

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