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

iħ ∂ψ/∂t = Ĥψ

446K

3x² + 3x + 6 = 0

det| 7 8 ; 4 8 | = 24

144K

E = mc²

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

e^{i\pi} + 1 = 0

86K

7z² + 2z + 0 = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

det| 7 4 ; 4 8 | = 40

234K

det| 4 2 ; 5 5 | = 10

det| 9 6 ; 7 10 | = 48

218K

det| 9 8 ; 3 10 | = 66

354K

∑_{k=1}^{n} k = n(n+1)/2

70K