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 00:02Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

E = mc²

446K

3x² + 3x + 6 = 0

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

144K

d/dψ [ψ^7] = 7ψ^6

371K

∇²t = 0

∇ × E = −∂B/∂t

259K

8ψ² + 7ψ + 0 = 0

86K

7z² + 2z + 0 = 0

det| 7 7 ; 4 8 | = 28

224K

∂y/∂n = 5y

234K

det| 4 2 ; 5 5 | = 10

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

218K

12γ² + 9γ + 1 = 0

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ

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