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 00:44Z

∑_{k=1}^{n} k = n(n+1)/2

9ψ² + 7ψ + 3 = 0

168K

d/dθ [θ^3] = 3θ^2

446K

3x² + 3x + 6 = 0

CaCO₃ → CaO + CO₂

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

F = G m₁m₂ / r²

259K

CH₄ + 2O₂ → CO₂ + 2H₂O

86K

∑_{k=1}^{n} k = n(n+1)/2

224K

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

234K

det| 10 2 ; 3 11 | = 104

218K

∇ × E = −∂B/∂t

354K

det| 7 4 ; 4 8 | = 40

70K