Σ index Eq pack 19 Rxn set 20 Rxn set 26 Σ#24 Σ#12 Ledger /21 Eq pack 13 Ledger /3 Eq pack 1 Batch 16 Σ#18 Σ#6 Ledger /15 Batch 4

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-20 06:29Z

det| 3 9 ; 6 4 | = -42

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

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

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

144K

det| 7 2 ; 7 8 | = 42

371K

2z² + 2z + 5 = 0

8ψ² + 7ψ + 0 = 0

259K

6ω² + 4ω + 4 = 0

86K

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

224K

12α² + 6α + 7 = 0

234K

ω = 2πf

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

iħ ∂ψ/∂t = Ĥψ

70K