formation you need-concisely, conveniently, and accurately. Created by Harvard students for students everywhere, these study companions and reference tools cover a wide range of college and graduate school subjects, from Business and Computer Programming to Medicine, Law, and Languages. Theyll give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to grasp. This six-page chart covers:

• Number systemsNaming whole numbers
• ArithmeticFactoring whole numbers
• Multiplication table
• Fractions, decimals, and percentages
• Positive and negative numbers
• Powers and roots
• Measurement
• Table of geometric figures and formulas
• Statistics and graphs