Solve puzzles by fitting numbers or images into a grid. Select from various themes like digits, safari, or pets. Use drag-and-drop or swipe-and-tap to place items. Choose from 10 difficulty levels. Play unlimited puzzles without time limits.
Track scores for 10 games with real decks. Record points, manage turns, and view current standings. Save game progress and export logs. Sync across devices for multi-player sessions.
Perform arithmetic operations by adding, subtracting, or multiplying adjacent numbers and entering the last digit of the result. Complete 15-minute sessions with 5-minute breaks, followed by a 15-minute session.
Practice and estimation by helping Toby extinguish fires with water balloons. Adjust water amounts to match fire sizes. Avoid using too much or too little to prevent running out of water or failing to put out fires.
Clear the board by matching pairs of identical tiles. Remove tiles by tapping two same ones. Track time and score. Adjust difficulty settings. Share high scores with friends.
Learn English through personalized lessons that adapt to your real-world needs. Practice speaking, listening, and writing with interactive exercises. Track progress and receive feedback. Sync learning across devices for continuous access.
Datasheet search allows users to find electronic components. Resistor color codes and markings are decoded for 4, 5, and 6 band codes. Electronic symbols are displayed according to IEC 60617, IEEE 315, and GOST standards.
Practice mental through interactive challenges. bridges to learn equality and comparison. Track progress with skill-based exercises. Includes lessons on number flexibility and algebraic concepts. Supports family sharing and no in- purchases.
Explore probability with interactive sliders and buttons. Calculate probabilities and percentiles for upper tail, lower tail, or two-tailed tests. Visualize results alongside numerical solutions. Compare continuous and discrete side-by-side.
Create a profile by entering a mobile phone number and a 6-digit PIN. Verify the phone number with a one-time code. Enter basic personal information. Track driving progress and complete required lessons.
Learn basic operations including addition and subtraction up to 20, adding tens, and identifying missing numbers in sequences. with unlimited access to educational content and over 500 quizzes.