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 00:43Z

∑_{k=1}^{n} k = n(n+1)/2

det| 9 4 ; 1 10 | = 86

168K

e^{i\pi} + 1 = 0

446K

3x² + 3x + 6 = 0

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

144K

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

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

e^{i\pi} + 1 = 0

86K

d/dθ [θ^3] = 3θ^2

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∂n/∂θ = 3n

218K

∑_{k=1}^{n} k = n(n+1)/2

354K

12n² + 2n + 2 = 0

70K

det| 3 7 ; 2 4 | = -2

402K