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 15:38Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

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

168K

det| 7 7 ; 4 8 | = 28

446K

det| 12 4 ; 1 13 | = 152

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

144K

det| 1 4 ; 3 2 | = -10

371K

ΔS ≥ 0

N₂ + 3H₂ ⇌ 2NH₃

259K

∑_{k=1}^{n} k = n(n+1)/2

86K

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

e^{i\pi} + 1 = 0

224K

∇²r = 0

234K

1x² + 9x + 5 = 0

det| 7 4 ; 4 8 | = 40

218K

det| 9 6 ; 0 10 | = 90

354K

F = ma

ω = 2πf