Learn irregular verbs in English.

This Learn Africa Countries and Capital Cities app is an easy-to-use tool for learning the 52 countries of the African continent and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read maps with the country names and abbreviations. Country and capital city names are narrated. Quiz section has multiple choice tests for capital city of each country. Quiz results can be shared.

This Learn the United States of America app is an easy-to-use tool for learning the 50 United States of America and their capital cities. Program features separate Maps, States, and Quiz sections. Maps section has easy to read maps with the state names and abbreviations. State and capital city names are narrated for the student to hear the proper pronunciation. Quiz section has a multiple choice test for the capital city name or each state.

This Learn South America Countries and Capital Cities app is an easy-to-use tool for learning the 17 countries of Europe and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read continent maps with the country names and abbreviations. Country and capital city names are narrated for the student to hear the proper pronunciation. Quiz section has multiple choice tests for capital city of each country. Final quiz score can be shared.

This Learn Europe Countries and Capital Cities app is an easy-to-use tool for learning the 44 countries of Europe and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read continent maps with the country names and abbreviations. Country and capital city names are narrated for the student to hear the proper pronunciation. Quiz section has multiple choice tests for capital city of each country. Final quiz score can be shared.

Our Learn Canada and Capital Cities app is an easy-to-use tool for learning the names of the 10 Provinces and 3 Territories of Canada along with their capital cities. Program features separate Maps, Regions, and Quiz sections. Maps section has easy to read continent maps with the region names and abbreviations. Region city names are narrated for the student to hear the proper pronunciation. Quiz section has multiple choice tests for capital city of each region. Final quiz score can be shared.

This Learn Asia Countries and Capital Cities app is an easy-to-use tool for learning the 51 countries of Asia and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read continent maps with the country names and abbreviations. Country and capital city names are narrated for the student to hear the proper pronunciation. Quiz section has multiple choice tests for capital city of each country. Final quiz score can be shared.

This Learn North America Countries and Capital Cities app is an easy-to-use tool for learning the 37 countries of Europe and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read continent maps with the country names and abbreviations. Country and capital city names are narrated for the student to hear the proper pronunciation. Quiz section has multiple choice tests for capital city of each country. Final quiz score can be shared.

This Learn Australia and South Pacific Countries and Capital Cities app is an easy-to-use tool for learning the 23 countries of Australia and the South Pacific and their capital cities. Program features separate Maps, Countries, and Quiz sections. Maps section has easy to read continent maps with the country names and abbreviations. Country and capital city names are narrated. Quiz section has multiple choice tests for capital city of each country. Final quiz score can be shared.

This CardsPack extends the capacity of cards for the free "Flashcards ToGo" application to an unlimited number of cards.

Exoplanet Explorer takes you on a journey into deep space, beyond the limits of our Solar System. Based on the latest available data, you'll explore virtual models of more than 700 known planets and the star systems that they inhabit.