Math Blaster Algebra Solve word problems using computation, estimation and proportions Ages 10 to Adult Covers 15 subject areas Compute with whole numbers, fractions, decimals, integers and rational numbers Apply ratios, proportions and percents Translate mathematical expressions Apply order of operations Manipulate positive and negative numbers Create mathematical equations Think logically An exciting mystery adventure provides long-lasting game play Well over 100 different word problems - all of them spoken out loud Multimedia adventure includes dazzling graphics, animation, digitized sound effects, music and speech Two ways to play: solve the mystery or play activities individually Three levels of math difficulty Record-keeping scoreboards On-line tips for parents Built-in calculator always available I tested it working in WinXP's very well with beautiful graphics and sound. Cannot make it to work in Win7.