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 00:53Z

∑_{k=1}^{n} k = n(n+1)/2

6n² + 7n + 6 = 0

168K

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

446K

3x² + 3x + 6 = 0

e^{i\pi} + 1 = 0

144K

det| 11 9 ; 0 12 | = 132

371K

∇²t = 0

∂n/∂θ = 3n

259K

8ψ² + 7ψ + 0 = 0

86K

7z² + 2z + 0 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

224K

∇²n = 0

234K

det| 4 2 ; 5 5 | = 10

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

218K

det| 7 9 ; 1 8 | = 47

354K

∇ × E = −∂B/∂t

70K

e^{i\pi} + 1 = 0

402K