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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

iħ ∂ψ/∂t = Ĥψ

168K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

446K

3x² + 3x + 6 = 0

F = G m₁m₂ / r²

144K

det| 5 9 ; 7 6 | = -33

371K

∇²t = 0

det| 10 3 ; 4 11 | = 98

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

d/dx [x^3] = 3x^2

234K

det| 4 2 ; 5 5 | = 10

F = G m₁m₂ / r²

218K

det| 5 3 ; 7 6 | = 9

354K