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 06:05Z

det| 3 9 ; 6 4 | = -42

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

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

\frac{2}{2} \sum_{i=1}^{n} i^{2}

371K

2z² + 2z + 5 = 0

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

259K

∫₀^∞ e^(-α²) dα = √π / 2

86K

iħ ∂ψ/∂t = Ĥψ

∇²z = 0

224K

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

234K

∫₀^∞ e^(-t²) dt = √π / 2

det| 9 4 ; 1 10 | = 86

218K

F = ma

354K