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 07:33Z

∑_{k=1}^{n} k = n(n+1)/2

Fe₂O₃ + 3CO → 2Fe + 3CO₂

46K

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

468K

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

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

289K

det| 11 5 ; 0 12 | = 132

278K

∂x/∂θ = 8x

∂γ/∂z = 6γ

339K

∑_{k=1}^{n} k = n(n+1)/2

177K

3φ² + 4φ + 2 = 0

∇²θ = 0

358K

PV = nRT

121K

5ω² + 6ω + 0 = 0

1θ² + 2θ + 6 = 0

399K

det| 9 4 ; 1 10 | = 86

316K

∫₀^∞ e^(-θ²) dθ = √π / 2