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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

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

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

2x² + 1x + 7 = 0

86K

det| 11 9 ; 0 12 | = 132

224K

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

234K

CH₄ + 2O₂ → CO₂ + 2H₂O

218K

8x² + 2x + 7 = 0

354K