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 20:55Z

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

det| 7 4 ; 4 8 | = 40

46K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

468K

CaCO₃ → CaO + CO₂

N₂ + 3H₂ ⇌ 2NH₃

289K

∫₀^∞ e^(-θ²) dθ = √π / 2

278K

e^{i\pi} + 1 = 0

11φ² + 4φ + 0 = 0

339K

∇²β = 0

177K

∑_{k=1}^{n} k = n(n+1)/2

358K

N₂ + 3H₂ ⇌ 2NH₃

121K

∑_{k=1}^{n} k = n(n+1)/2

399K

∇²z = 0

316K

det| 2 7 ; 7 3 | = -43

11K