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 23:52Z

d/dn [n^4] = 4n^3

∑_{k=1}^{n} k = n(n+1)/2

384K

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

385K

\lim_{θ\to 0} \frac{\sin θ}{θ} = 1

∑_{k=1}^{n} k = n(n+1)/2

163K

det| 5 6 ; 2 6 | = 18

259K

iħ ∂ψ/∂t = Ĥψ

det| 2 8 ; 7 3 | = -50

305K

det| 9 4 ; 1 10 | = 86

57K

\frac{2}{4} \sum_{i=1}^{n} i^{2}

det| 2 7 ; 7 3 | = -43

293K

det| 7 9 ; 1 8 | = 47

110K

det| 5 7 ; 5 6 | = -5

∑_{k=1}^{n} k = n(n+1)/2

300K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

34K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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