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 16:25Z

d/dθ [θ^10] = 10θ^9

∑_{k=1}^{n} k = n(n+1)/2

168K

ω = 2πf

446K

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

d/dx [x^9] = 9x^8

144K

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

371K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

7r² + 8r + 5 = 0

259K

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

86K

9z² + 5z + 3 = 0

det| 9 4 ; 1 10 | = 86

224K

∇ × E = −∂B/∂t

234K

det| 10 1 ; 4 11 | = 106

det| 4 7 ; 2 5 | = 6

218K

∇²r = 0

354K

E = mc²

iħ ∂ψ/∂t = Ĥψ

70K