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 01:02Z

iħ ∂ψ/∂t = Ĥψ

∑_{k=1}^{n} k = n(n+1)/2

168K

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

446K

10t² + 5t + 5 = 0

d/dθ [θ^3] = 3θ^2

144K

det| 9 4 ; 1 10 | = 86

371K

∇ × E = −∂B/∂t

∂y/∂n = 5y

259K

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

86K

det| 8 7 ; 1 9 | = 65

ω = 2πf

224K

det| 12 9 ; 5 13 | = 111

234K

ΔS ≥ 0

218K

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

354K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

70K