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

Fe₂O₃ + 3CO → 2Fe + 3CO₂

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

N₂ + 3H₂ ⇌ 2NH₃

144K

ω = 2πf

371K

∇²t = 0

∇²β = 0

259K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

86K

7z² + 2z + 0 = 0

∇²β = 0

224K

\oint_C \vec{F}\cdot d\vec{r} = 0

234K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

AgNO₃ + NaCl → AgCl↓ + NaNO₃

70K

2n² + 4n + 0 = 0

402K