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 13:00Z

det| 11 7 ; 6 12 | = 90

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

168K

2n² + 4n + 0 = 0

446K

d/dy [y^12] = 12y^11

6r² + 3r + 1 = 0

144K

det| 7 4 ; 4 8 | = 40

371K

9n² + 8n + 0 = 0

PV = nRT

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

d/dt [t^5] = 5t^4

Fe₂O₃ + 3CO → 2Fe + 3CO₂

224K

\frac{8}{6} \sum_{i=1}^{n} i^{2}

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

det| 3 1 ; 7 4 | = 5

354K