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 00:20Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

6x² + 6x + 1 = 0

446K

3x² + 3x + 6 = 0

∫₀^∞ e^(-ω²) dω = √π / 2

144K

det| 3 7 ; 2 4 | = -2

371K

∇²t = 0

F = G m₁m₂ / r²

259K

iħ ∂ψ/∂t = Ĥψ

86K

7z² + 2z + 0 = 0

PV = nRT

224K

\frac{4}{6} \sum_{i=1}^{n} i^{2}

234K

det| 4 2 ; 5 5 | = 10

11t² + 9t + 5 = 0

218K

1n² + 7n + 3 = 0

354K

det| 9 4 ; 1 10 | = 86

70K