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 01:02Z

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

∫₀^∞ e^(-x²) dx = √π / 2

46K

det| 9 4 ; 1 10 | = 86

468K

ω = 2πf

e^{i\pi} + 1 = 0

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

det| 1 7 ; 1 2 | = -5

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

339K

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

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∫₀^∞ e^(-θ²) dθ = √π / 2

358K

∇²ω = 0

121K

d/dn [n^1] = 1n^0

∑_{k=1}^{n} k = n(n+1)/2

399K

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

316K

8β² + 8β + 2 = 0

11t² + 6t + 6 = 0

11K

2H₂ + O₂ → 2H₂O

387K

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