Convert numbers between bases 2 to 20. Perform arithmetic operations in different bases. Display results in decimal, binary, and hexadecimal formats. Adjust number system settings for custom calculations. Export calculation history for review.
Learn regular expressions through structured lessons covering beginner to expert levels. Complete interactive exercises to practice and apply patterns. Solve real-world challenges to improve proficiency.
Learn the alphabet and explore letter sounds through interactive gameplay. Help plant, grow, and harvest fruits and vegetables. Chase away animals threatening the crops. Complete tasks to fill Old MilkDonald’s wheelbarrow.
