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 04:09Z

12r² + 6r + 1 = 0

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

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

∑_{k=1}^{n} k = n(n+1)/2

10t² + 9t + 5 = 0

144K

e^{i\pi} + 1 = 0

371K

4t² + 9t + 6 = 0

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

259K

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

86K

∇²ψ = 0

Fe₂O₃ + 3CO → 2Fe + 3CO₂

224K

det| 7 4 ; 4 8 | = 40

234K

F = ma

N₂ + 3H₂ ⇌ 2NH₃

218K

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

354K