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 00:03Z

∑_{k=1}^{n} k = n(n+1)/2

∫₀^∞ e^(-x²) dx = √π / 2

168K

CaCO₃ → CaO + CO₂

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

F = G m₁m₂ / r²

371K

∇²t = 0

\frac{10}{3} \sum_{i=1}^{n} i^{2}

259K

CH₄ + 2O₂ → CO₂ + 2H₂O

86K

7z² + 2z + 0 = 0

3r² + 3r + 7 = 0

224K

11t² + 9t + 5 = 0

234K

det| 4 2 ; 5 5 | = 10

det| 12 2 ; 2 13 | = 152

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

2H₂ + O₂ → 2H₂O

iħ ∂ψ/∂t = Ĥψ