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 00:51Z

∑_{k=1}^{n} k = n(n+1)/2

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

168K

PV = nRT

446K

3x² + 3x + 6 = 0

ω = 2πf

144K

\frac{3}{2} \sum_{i=1}^{n} i^{2}

371K

∇²t = 0

7r² + 8r + 5 = 0

259K

det| 7 4 ; 4 8 | = 40

86K

∇ × E = −∂B/∂t

224K

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

234K

F = G m₁m₂ / r²

218K

iħ ∂ψ/∂t = Ĥψ

354K

det| 12 9 ; 5 13 | = 111

70K