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 00:02Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

iħ ∂ψ/∂t = Ĥψ

446K

3x² + 3x + 6 = 0

det| 9 4 ; 1 10 | = 86

144K

ω = 2πf

371K

∇²t = 0

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

259K

det| 7 7 ; 4 8 | = 28

86K

7z² + 2z + 0 = 0

det| 7 6 ; 1 8 | = 50

224K

∑_{k=1}^{n} k = n(n+1)/2

234K

∑_{k=1}^{n} k = n(n+1)/2

218K

F = G m₁m₂ / r²

354K

∂z/∂φ = 7z

70K

5φ² + 1φ + 1 = 0

402K