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

det| 9 4 ; 1 10 | = 86

168K

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

446K

3x² + 3x + 6 = 0

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

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

∑_{k=1}^{n} k = n(n+1)/2

259K

e^{i\pi} + 1 = 0

86K

7z² + 2z + 0 = 0

d/dt [t^3] = 3t^2

224K

9α² + 7α + 5 = 0

234K

2H₂ + O₂ → 2H₂O

218K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

354K

∑_{k=1}^{n} k = n(n+1)/2

70K