Σ index Batch 16 Eq pack 1 Rxn set 2 Ledger /3 Rxn set 8 Σ#18 Matrix 11 Eq pack 25 Eq pack 13 Ledger /9 Σ#24 Batch 10 Ledger /21

Field Notes / Σ /sym/3cad98

id=1 · host=formula-vault.cloud · 2026-10-21 03:51Z

7ω² + 9ω + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

430K

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

197K

∇²y = 0

det| 7 4 ; 4 8 | = 40

281K

∫₀^∞ e^(-ψ²) dψ = √π / 2

73K

det| 6 9 ; 0 7 | = 42

e^{i\pi} + 1 = 0

143K

9θ² + 7θ + 4 = 0

248K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∇²ω = 0

246K

N₂ + 3H₂ ⇌ 2NH₃

54K

∇ × E = −∂B/∂t

469K