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 06:53Z

det| 3 9 ; 6 4 | = -42

8x² + 2x + 7 = 0

168K

∫₀^∞ e^(-x²) dx = √π / 2

446K

∑_{k=1}^{n} k = n(n+1)/2

det| 12 1 ; 5 13 | = 151

144K

iħ ∂ψ/∂t = Ĥψ

371K

2z² + 2z + 5 = 0

8ψ² + 7ψ + 0 = 0

259K

\frac{4}{9} \sum_{i=1}^{n} i^{2}

86K

iħ ∂ψ/∂t = Ĥψ

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

224K

F = G m₁m₂ / r²

234K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

N₂ + 3H₂ ⇌ 2NH₃

354K