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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

11ψ² + 6ψ + 2 = 0

446K

3x² + 3x + 6 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

144K

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

371K

∇²t = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

259K

det| 9 4 ; 1 10 | = 86

86K

7z² + 2z + 0 = 0

4γ² + 1γ + 7 = 0

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 4 2 ; 5 5 | = 10

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

218K