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 00:12Z

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

168K

det| 2 3 ; 5 3 | = -9

446K

3x² + 3x + 6 = 0

e^{i\pi} + 1 = 0

144K

det| 11 9 ; 0 12 | = 132

371K

∇²t = 0

8ψ² + 7ψ + 0 = 0

259K

∇ × E = −∂B/∂t

86K

7z² + 2z + 0 = 0

d/dt [t^3] = 3t^2

224K

∇²r = 0

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

F = G m₁m₂ / r²

354K

∇ × E = −∂B/∂t

70K