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 00:17Z

∑_{k=1}^{n} k = n(n+1)/2

det| 7 9 ; 1 8 | = 47

168K

det| 4 8 ; 3 5 | = -4

446K

3x² + 3x + 6 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

N₂ + 3H₂ ⇌ 2NH₃

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

det| 4 2 ; 6 5 | = 8

86K

7z² + 2z + 0 = 0

det| 5 6 ; 2 6 | = 18

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

det| 2 6 ; 0 3 | = 6

218K

det| 7 4 ; 4 8 | = 40

354K

det| 8 9 ; 4 9 | = 36

70K