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 00:14Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

d/dx [x^9] = 9x^8

144K

d/dγ [γ^3] = 3γ^2

371K

∇²t = 0

5z² + 8z + 3 = 0

259K

iħ ∂ψ/∂t = Ĥψ

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

det| 7 9 ; 1 8 | = 47

234K

det| 4 2 ; 5 5 | = 10

\frac{3}{2} \sum_{i=1}^{n} i^{2}

218K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

354K

2H₂ + O₂ → 2H₂O

11ψ² + 6ψ + 2 = 0

70K