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 00:01Z

∑_{k=1}^{n} k = n(n+1)/2

11t² + 9t + 5 = 0

168K

det| 9 4 ; 1 10 | = 86

446K

3x² + 3x + 6 = 0

det| 7 7 ; 4 8 | = 28

144K

N₂ + 3H₂ ⇌ 2NH₃

371K

∇²t = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

259K

∂γ/∂θ = 2γ

86K

7z² + 2z + 0 = 0

\lim_{t\to 0} \frac{\sin t}{t} = 1

224K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

234K

iħ ∂ψ/∂t = Ĥψ

218K

12n² + 2n + 2 = 0

354K

∑_{k=1}^{n} k = n(n+1)/2

70K

F = G m₁m₂ / r²

402K