Amazon.com : SAVILAND 6 Colors Spider Gel, New Upgraded Matrices Spider Gel with Nail Art Brushes, Nail Designs Gel Paint Wire Drawing Gel Polish for Line (White Black Red Blue Gold Silver) :
Amazon.com: Random Matrices, Frobenius Eigenvalues, and Monodromy (Colloquium Publications (Amer Mathematical Soc)): 9780821810170: Nicholas M. Katz, Peter Sarnak: Books
Computing small singular values of bidiagonal matrices with guaranteed high relative accuracy: Demmel, James, Kahan, W.: Amazon.com: Books