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 00:59Z

∑_{k=1}^{n} k = n(n+1)/2

7y² + 9y + 1 = 0

168K

det| 7 4 ; 4 8 | = 40

446K

3x² + 3x + 6 = 0

∑_{k=1}^{n} k = n(n+1)/2

144K

∫₀^∞ e^(-α²) dα = √π / 2

371K

∇²t = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

259K

8γ² + 1γ + 1 = 0

86K

7z² + 2z + 0 = 0

∂z/∂φ = 7z

224K

6r² + 3r + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

7γ² + 8γ + 3 = 0

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

ω = 2πf

70K

∑_{k=1}^{n} k = n(n+1)/2

402K