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 04:18Z

12r² + 6r + 1 = 0

8ψ² + 7ψ + 0 = 0

168K

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

446K

∑_{k=1}^{n} k = n(n+1)/2

d/dx [x^9] = 9x^8

144K

11z² + 3z + 4 = 0

371K

4t² + 9t + 6 = 0

iħ ∂ψ/∂t = Ĥψ

259K

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

86K

∇²ψ = 0

∇ × E = −∂B/∂t

224K

\lim_{ω\to 0} \frac{\sin ω}{ω} = 1

234K

F = ma

∂α/∂r = 8α

218K

det| 12 2 ; 2 13 | = 152

354K

det| 4 8 ; 7 5 | = -36

det| 12 1 ; 5 13 | = 151

70K