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

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-z²) dz = √π / 2

446K

3x² + 3x + 6 = 0

iħ ∂ψ/∂t = Ĥψ

144K

F = G m₁m₂ / r²

371K

∇²t = 0

det| 10 2 ; 3 11 | = 104

259K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

86K

7z² + 2z + 0 = 0

E = mc²

224K

det| 9 4 ; 1 10 | = 86

234K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

218K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

354K

iħ ∂ψ/∂t = Ĥψ

70K

F = G m₁m₂ / r²

402K