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 04:14Z

12r² + 6r + 1 = 0

∑_{k=1}^{n} k = n(n+1)/2

168K

∫₀^∞ e^(-t²) dt = √π / 2

446K

∑_{k=1}^{n} k = n(n+1)/2

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

11φ² + 4φ + 0 = 0

371K

4t² + 9t + 6 = 0

det| 3 7 ; 2 4 | = -2

259K

det| 12 1 ; 5 13 | = 151

86K

∇²ψ = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

det| 7 4 ; 4 8 | = 40

234K

F = ma

\frac{12}{6} \sum_{i=1}^{n} i^{2}

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

∂ψ/∂β = 3ψ

70K