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 21:39Z

2H₂ + O₂ → 2H₂O

N₂ + 3H₂ ⇌ 2NH₃

168K

CaCO₃ → CaO + CO₂

446K

3θ² + 4θ + 0 = 0

\frac{4}{6} \sum_{i=1}^{n} i^{2}

144K

5φ² + 1φ + 1 = 0

371K

∇²t = 0

det| 11 9 ; 0 12 | = 132

259K

det| 7 4 ; 4 8 | = 40

86K

det| 11 7 ; 4 12 | = 104

∑_{k=1}^{n} k = n(n+1)/2

224K

d/dx [x^3] = 3x^2

234K

4t² + 2t + 7 = 0

∑_{k=1}^{n} k = n(n+1)/2

218K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

354K

∑_{k=1}^{n} k = n(n+1)/2