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 00:01Z

∑_{k=1}^{n} k = n(n+1)/2

det| 2 7 ; 7 3 | = -43

168K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

446K

3x² + 3x + 6 = 0

\lim_{α\to 0} \frac{\sin α}{α} = 1

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

PV = nRT

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 4 2 ; 5 5 | = 10