Thank you for viewing! This is a calculation problem collection from Yakuzemi, allowing you to learn through 20 problems in 5 stages. Answers are provided at the back. The corners have some minor scuffing, but the inside is completely unused. By the way, my daughter was able to pass this spring (^^) Thank you! ======= - Title: Calculation Problem Collection for Pharmacy Students Revised Edition - Publisher: Yakugaku Seminar (Yakuzemi) - Contents: Calculation problem collection, Yakuzemi style, Calculation Revolution - Features: Understandable in 5 stages! 20 problems in total!