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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

\frac{4}{6} \sum_{i=1}^{n} i^{2}

168K

det| 9 4 ; 1 10 | = 86

446K

3x² + 3x + 6 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

144K

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

371K

∇²t = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

8x² + 2x + 7 = 0

86K

7z² + 2z + 0 = 0

det| 2 7 ; 7 3 | = -43

224K

∫₀^∞ e^(-n²) dn = √π / 2

234K

\lim_{t\to 0} \frac{\sin t}{t} = 1

218K

2n² + 4n + 0 = 0

354K

∑_{k=1}^{n} k = n(n+1)/2

70K