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 00:50Z

∑_{k=1}^{n} k = n(n+1)/2

∑_{k=1}^{n} k = n(n+1)/2

168K

det| 1 4 ; 3 2 | = -10

446K

3x² + 3x + 6 = 0

det| 7 8 ; 4 8 | = 24

144K

4γ² + 1γ + 7 = 0

371K

∇²t = 0

F = G m₁m₂ / r²

259K

iħ ∂ψ/∂t = Ĥψ

86K

7z² + 2z + 0 = 0

det| 9 4 ; 1 10 | = 86

224K

d/dt [t^3] = 3t^2

234K

det| 4 2 ; 5 5 | = 10

det| 2 6 ; 0 3 | = 6

218K

1n² + 7n + 3 = 0

354K

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

70K