Programming with interactive exercises and real-time feedback. Access bite-sized JavaScript and Python lessons. Track progress with gamified challenges. Practice coding in a simulated environment. Receive instant corrections and explanations.
Convert of temperature, distance, weight, and speed
Convert of temperature, distance, weight, and speed. Switch between Celsius and Fahrenheit, miles and kilometers, pounds and kilograms, and kilometers per hour and miles per hour. Perform calculations and save frequently used conversions.
Translate text between Chinese and English with instant word definitions and examples. Search for words quickly with smart suggestions. Access offline. Suitable for students and travelers.
PHP programming and web with tutorials on frameworks like Laravel, CodeIgniter, Phalcon, FuelPHP, and CakePHP. Access lessons on web technologies and libraries. Track progress with quizzes and coding exercises. Export notes and share resources.
Learn through structured lessons covering fundamentals to advanced topics. Practice coding exercises and receive instant feedback. Track progress and access a library of tutorials for continuous learning.
With interactive lessons covering conversations, vocabulary, and grammar. Watch videos of young Americans. Access printable worksheets, assessments, and lesson plans for self-study or classroom use.
Allows users to progress through structured lessons and practice coding in Python 3. They can experiment with code, take quizzes, and compete in a global leaderboard. The supports no prior experience and covers fundamental programming concepts.