Taking pre-algebra? Then you need the Wolfram Pre-Algebra Course Assistant. This definitive app for pre-algebra—from the world leader in math software—will help you work through your homework problems, ace your tests, and learn pre-algebra concepts. Forget canned examples! The Wolfram Pre-Algebra Course Assistant solves your specific pre-algebra problems on the fly. This app covers the following pre-algebra topics: - Find the divisors and prime factorization of a number - Calculate the GCD and LCM of two numbers - Determine the percent change - Reduce and round numbers - Evaluate expressions - Solve equations and simplify expressions - Convert units of length, area, volume, and weight - Compute the mean, median, and mode of a dataset - Plot equations on the coordinate plane - Graph inequalities on a number line - Calculate the area, surface area, or volume of a geometric figure - Find the midpoint, slope, and distance between two points The Wolfram Pre-Algebra Course Assistant is powered by the Wolfram|Alpha computational knowledge engine and is created by Wolfram Research, makers of Mathematica—the world's leading software system for mathematical research and education. The Wolfram Pre-Algebra Course Assistant draws on the computational power of Wolfram|Alpha's supercomputers over a 3G, 4G, or Wi-Fi connection.