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 00:15Z

∑_{k=1}^{n} k = n(n+1)/2

F = G m₁m₂ / r²

168K

Fe₂O₃ + 3CO → 2Fe + 3CO₂

446K

3x² + 3x + 6 = 0

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

144K

CaCO₃ → CaO + CO₂

371K

∇²t = 0

11t² + 9t + 5 = 0

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

7z² + 2z + 0 = 0

\lim_{β\to 0} \frac{\sin β}{β} = 1

224K

det| 7 9 ; 1 8 | = 47

234K

det| 4 2 ; 5 5 | = 10

1θ² + 2θ + 6 = 0

218K

det| 9 4 ; 1 10 | = 86

354K

2H₂ + O₂ → 2H₂O