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 17:13Z

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

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

46K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

468K

iħ ∂ψ/∂t = Ĥψ

det| 9 4 ; 1 10 | = 86

289K

∑_{k=1}^{n} k = n(n+1)/2

278K

3r² + 6r + 7 = 0

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

339K

∇²β = 0

177K

E = mc²

∑_{k=1}^{n} k = n(n+1)/2

358K

∑_{k=1}^{n} k = n(n+1)/2

121K

CH₄ + 2O₂ → CO₂ + 2H₂O

F = ma

det| 3 6 ; 1 4 | = 6

det| 8 5 ; 0 9 | = 72