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 15:36Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 12 9 ; 5 13 | = 111

446K

det| 12 4 ; 1 13 | = 152

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

144K

d/dψ [ψ^7] = 7ψ^6

371K

ΔS ≥ 0

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

259K

C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂

86K

\oint_C \vec{F}\cdot d\vec{r} = 0

11z² + 3z + 4 = 0

224K

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

234K

det| 9 4 ; 1 10 | = 86

218K