Prepare for the U.S. Citizenship with study guides for English and Civics exams. Practice speaking, reading, and writing skills. Review 100 civics questions and answers. Track progress and access formats and requirements.
Create and customize pizzas by selecting from 30+ toppings including cheese, pepperoni, and slugs. Cook pizzas in an oven and slice them. Prepare pasta by boiling and adding sauce. Includes humorous toppings like batwings and batteries.
Solve math puzzles by rearranging numbers. Progress through endless levels. Unlock new themes and game modes. Track progress and challenge yourself to reach higher levels.
Practice for the with 1000+ questions. Simulate exam conditions. View scores and review answers after completing exams. Track progress and identify areas for improvement.
Learn Bridge by mastering rules, cardplay strategy, and bidding techniques with a partner. Practice bidding, cardplay, and contract fulfillment. Track progress and review lessons for improvement. Play against AI opponents or real players.
Create drinks by adding ingredients to a and blending them. Choose from various fruits, juices, sodas, and ice creams. Adjust blending speed and quantity. Save and share custom recipes.
Prepare for the Technician Certification with over 1000 practice questions. Take mock exams to test knowledge. Topics include pharmacology, law and regulations, compounding, medication safety, and more.
Learn basic arithmetic through interactive activities. Add and subtract animals like bluebirds, doves, and peaches. Use visual counting to solve equations. Track progress with simple, engaging exercises.
Determine if a number is , find its factors, or check its position. Explore nearby primes and identify twin primes. Check ranges for primes and twin primes.
Practice pitches, identify intervals, refine intonation
Helps users train audiation, relative pitch, and intonation. It plays two pitches and asks users to identify if the second pitch is sharp, flat, or in tune. Users can track progress and receive feedback on their responses.
Calculate primary and secondary full-load currents based on ratings and voltages. Determine turns ratio and type. Input phase type and voltage values to obtain current outputs and ratio calculations.
Helps users visualize celestial objects through telescopes or cameras. It calculates magnification, actual field of view, and exit pupil. Users can simulate views with different eyepieces and optical aids.
Study for the certification with practice questions, detailed explanations, and progress tracking. Review key concepts through structured lessons. Simulate conditions with timed quizzes and receive feedback on performance.