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 00:26Z

∑_{k=1}^{n} k = n(n+1)/2

PV = nRT

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

CH₄ + 2O₂ → CO₂ + 2H₂O

371K

∇²t = 0

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

259K

det| 5 3 ; 7 6 | = 9

86K

4t² + 3t + 3 = 0

224K

9α² + 7α + 5 = 0

234K

det| 3 1 ; 7 4 | = 5

218K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

354K

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

70K