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 00:53Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

PV = nRT

446K

3x² + 3x + 6 = 0

det| 11 9 ; 0 12 | = 132

144K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

371K

∇²t = 0

det| 5 2 ; 3 6 | = 24

259K

iħ ∂ψ/∂t = Ĥψ

86K

N₂ + 3H₂ ⇌ 2NH₃

224K

∇ × E = −∂B/∂t

234K

8ψ² + 7ψ + 0 = 0

218K

det| 5 3 ; 7 6 | = 9

354K

10t² + 9t + 5 = 0

70K