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 01:01Z

iħ ∂ψ/∂t = Ĥψ

7y² + 9y + 1 = 0

168K

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

446K

10t² + 5t + 5 = 0

det| 9 4 ; 1 10 | = 86

144K

ω = 2πf

371K

∇ × E = −∂B/∂t

∫₀^∞ e^(-t²) dt = √π / 2

259K

d/dx [x^3] = 3x^2

86K

det| 8 7 ; 1 9 | = 65

det| 9 5 ; 1 10 | = 85

224K

∇²θ = 0

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

70K

E = mc²

402K