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

11t² + 9t + 7 = 0

168K

11ψ² + 6ψ + 2 = 0

446K

3x² + 3x + 6 = 0

det| 11 9 ; 0 12 | = 132

144K

det| 7 4 ; 4 8 | = 40

371K

∇²t = 0

∂β/∂z = 1β

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

224K

F = G m₁m₂ / r²

234K

det| 4 2 ; 5 5 | = 10

∫₀^∞ e^(-t²) dt = √π / 2

218K