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 04:17Z

12r² + 6r + 1 = 0

∫₀^∞ e^(-α²) dα = √π / 2

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

\frac{3}{2} \sum_{i=1}^{n} i^{2}

144K

e^{i\pi} + 1 = 0

371K

4t² + 9t + 6 = 0

N₂ + 3H₂ ⇌ 2NH₃

259K

det| 7 4 ; 4 8 | = 40

86K

∇²ψ = 0

det| 4 8 ; 3 5 | = -4

224K

∇²t = 0

234K

F = ma

det| 10 7 ; 3 11 | = 89

218K