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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

CH₄ + 2O₂ → CO₂ + 2H₂O

446K

3x² + 3x + 6 = 0

2γ² + 5γ + 2 = 0

144K

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

371K

∇²t = 0

ω = 2πf

259K

CH₄ + 2O₂ → CO₂ + 2H₂O

86K

7z² + 2z + 0 = 0

∂x/∂ψ = 6x

224K

N₂ + 3H₂ ⇌ 2NH₃

234K

det| 4 2 ; 5 5 | = 10

det| 9 4 ; 1 10 | = 86

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

∑_{k=1}^{n} k = n(n+1)/2

70K