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 01:20Z

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

∑_{k=1}^{n} k = n(n+1)/2

46K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

468K

ω = 2πf

∑_{k=1}^{n} k = n(n+1)/2

289K

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

278K

det| 1 7 ; 1 2 | = -5

∑_{k=1}^{n} k = n(n+1)/2

339K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

177K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

358K

∫₀^∞ e^(-θ²) dθ = √π / 2

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

det| 9 4 ; 1 10 | = 86

316K

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