A set of math problem books including basic and check problems. - Title: New Differential and Integral Calculus II Problem Book - Title: New Probability and Statistics Problem Book - Title: New Applied Mathematics Problem Book - Title: Linear Algebra Problem Book - Content: Includes basic and check problems Thank you for looking. Shows signs of use. Stains present. No writing found, but please understand that this is a casual inspection and I may have missed something. The pages inside are relatively clean, but as they have been stored for several years, please only purchase if you understand this. As this is a used item, please refrain from purchasing if you are looking for perfection or are sensitive. The books will be placed in a PP bag and shipped via Nekoposu. To keep costs down, we will ship with simple packaging. Please understand. No returns or refunds will be accepted.