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 00:54Z

∑_{k=1}^{n} k = n(n+1)/2

8ψ² + 7ψ + 0 = 0

168K

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

446K

3x² + 3x + 6 = 0

10ω² + 7ω + 4 = 0

144K

∇ × E = −∂B/∂t

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

N₂ + 3H₂ ⇌ 2NH₃

86K

7z² + 2z + 0 = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

224K

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

234K

ΔS ≥ 0

218K

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

354K

det| 5 3 ; 7 6 | = 9

70K