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 06:30Z

det| 3 9 ; 6 4 | = -42

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

168K

F = G m₁m₂ / r²

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

8θ² + 8θ + 6 = 0

371K

2z² + 2z + 5 = 0

11z² + 3z + 4 = 0

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

iħ ∂ψ/∂t = Ĥψ

det| 4 2 ; 6 5 | = 8

224K

iħ ∂ψ/∂t = Ĥψ

234K

∫₀^∞ e^(-t²) dt = √π / 2

det| 9 4 ; 1 10 | = 86

218K

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

354K