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 00:11Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

6x² + 6x + 1 = 0

446K

3x² + 3x + 6 = 0

det| 2 6 ; 0 3 | = 6

144K

∇ × E = −∂B/∂t

371K

∇²t = 0

CH₄ + 2O₂ → CO₂ + 2H₂O

259K

det| 7 4 ; 4 8 | = 40

86K

∫₀^∞ e^(-θ²) dθ = √π / 2

224K

7y² + 9y + 1 = 0

234K

F = G m₁m₂ / r²

218K

∑_{k=1}^{n} k = n(n+1)/2

354K