Improve skills with addition, subtraction, multiplication, and division exercises. Practice with timed or untimed modes. Track scores and streaks. Adjust difficulty as progress increases.
Text files using regular expressions. Copy libraries via iTunes. Explore text across directories. Support for .txt files in any encoding. Navigate through multiple folders. Perform advanced searches with regex patterns.
Manage online courses with customizable modules for businesses. Enroll students, handle payments, and track progress. Offer live classes, assign homework, and conduct exams. Integrate with offline operations for O2O learning support.
