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 00:21Z

∑_{k=1}^{n} k = n(n+1)/2

CH₄ + 2O₂ → CO₂ + 2H₂O

168K

F = G m₁m₂ / r²

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

det| 10 3 ; 4 11 | = 98

371K

∇²t = 0

det| 6 6 ; 5 7 | = 12

259K

d/dθ [θ^3] = 3θ^2

86K

7z² + 2z + 0 = 0

\oint_C \vec{F}\cdot d\vec{r} = 0

224K

det| 9 4 ; 1 10 | = 86

234K

iħ ∂ψ/∂t = Ĥψ

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

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

70K