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 00:16Z

∑_{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

d/dt [t^3] = 3t^2

144K

∑_{k=1}^{n} k = n(n+1)/2

371K

∇²t = 0

det| 3 1 ; 7 4 | = 5

259K

∂γ/∂z = 6γ

86K

7z² + 2z + 0 = 0

7y² + 9y + 1 = 0

224K

det| 9 4 ; 1 10 | = 86

234K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

N₂ + 3H₂ ⇌ 2NH₃

354K

det| 3 7 ; 2 4 | = -2

70K

E = mc²

402K