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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

∇ × E = −∂B/∂t

168K

2H₂ + O₂ → 2H₂O

446K

3x² + 3x + 6 = 0

det| 7 7 ; 4 8 | = 28

144K

12n² + 2n + 2 = 0

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

det| 11 5 ; 0 12 | = 132

86K

F = G m₁m₂ / r²

224K

∫₀^∞ e^(-x²) dx = √π / 2

234K

det| 7 4 ; 4 8 | = 40

218K

det| 5 6 ; 2 6 | = 18

354K

∫₀^∞ e^(-ψ²) dψ = √π / 2

70K

det| 9 6 ; 0 10 | = 90

402K