Key to Percents emphasizes mental computation and estimation skills. Then students are taught to solve percent problems using equal fractions and decimal multiplication. Finally, percents are used to
Key to Decimals begins with basic concepts and operations on decimals. Then it covers real-world uses of decimals in pricing, sports, metrics, calculators, and science. Visual models illustrate new co
Future unmanned aerial vehicle (UAV) systems will have a high level of autonomy and the capability of working cooperatively in groups, providing an opportunity for new operational paradigms. In this c
Revised to reflect recent events, this edition contains entries on people, places, institutions, events, ethnic groups, and political parties influential in the political, social, cultural, and econom
