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 13:45Z

det| 11 7 ; 6 12 | = 90

∑_{k=1}^{n} k = n(n+1)/2

168K

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

446K

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

AgNO₃ + NaCl → AgCl↓ + NaNO₃

144K

det| 9 4 ; 1 10 | = 86

371K

9n² + 8n + 0 = 0

∇²θ = 0

259K

9θ² + 7θ + 4 = 0

86K

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

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

224K

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

234K

ΔS ≥ 0

218K

9α² + 6α + 0 = 0

354K

2H₂ + O₂ → 2H₂O

70K