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 00:11Z

∑_{k=1}^{n} k = n(n+1)/2

iħ ∂ψ/∂t = Ĥψ

168K

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

446K

3x² + 3x + 6 = 0

8ψ² + 7ψ + 0 = 0

144K

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

371K

∇²t = 0

det| 10 3 ; 4 11 | = 98

259K

det| 1 4 ; 3 2 | = -10

86K

7z² + 2z + 0 = 0

N₂ + 3H₂ ⇌ 2NH₃

224K

6r² + 3r + 1 = 0

234K

det| 4 2 ; 5 5 | = 10

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

218K

7y² + 9y + 1 = 0

354K