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 04:15Z

12r² + 6r + 1 = 0

e^{i\pi} + 1 = 0

168K

N₂ + 3H₂ ⇌ 2NH₃

446K

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

144K

F = ma

371K

4t² + 9t + 6 = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

∇²ψ = 0

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

224K

det| 2 3 ; 5 3 | = -9

234K

F = ma

H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O

218K

det| 9 4 ; 1 10 | = 86

354K