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 13:58Z

det| 11 7 ; 6 12 | = 90

\frac{4}{9} \sum_{i=1}^{n} i^{2}

168K

det| 9 4 ; 1 10 | = 86

446K

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

ω = 2πf

144K

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

371K

9n² + 8n + 0 = 0

9α² + 7α + 5 = 0

259K

d/dθ [θ^3] = 3θ^2

86K

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

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

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

∑_{k=1}^{n} k = n(n+1)/2

70K