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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

CH₄ + 2O₂ → CO₂ + 2H₂O

446K

3x² + 3x + 6 = 0

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

144K

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

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

det| 5 6 ; 2 6 | = 18

86K

10ω² + 7ω + 4 = 0

224K

2γ² + 5γ + 2 = 0

234K

2n² + 4n + 0 = 0

218K

8ψ² + 7ψ + 0 = 0

354K

ω = 2πf

70K

6r² + 3r + 1 = 0

402K