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 00:18Z

∑_{k=1}^{n} k = n(n+1)/2

det| 12 1 ; 5 13 | = 151

168K

∑_{k=1}^{n} k = n(n+1)/2

446K

3x² + 3x + 6 = 0

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

144K

det| 7 2 ; 7 8 | = 42

371K

∇²t = 0

F = G m₁m₂ / r²

259K

\lim_{β\to 0} \frac{\sin β}{β} = 1

86K

10γ² + 8γ + 7 = 0

224K

∂ψ/∂β = 3ψ

234K

PV = nRT

218K

det| 9 4 ; 1 10 | = 86

354K

iħ ∂ψ/∂t = Ĥψ

70K