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 00:29Z

∑_{k=1}^{n} k = n(n+1)/2

∂γ/∂θ = 2γ

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

144K

\lim_{β\to 0} \frac{\sin β}{β} = 1

371K

∇²t = 0

10t² + 9t + 5 = 0

259K

det| 7 4 ; 4 8 | = 40

86K

7z² + 2z + 0 = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

∂ψ/∂β = 3ψ

234K

d/dx [x^3] = 3x^2

218K

det| 4 8 ; 3 5 | = -4

354K