Learn SQL syntax through code examples that explain how to combine tables, sort grouped data, and identify SQL Server data types. Access over 150 tested code samples from books and online resources.
by Fedor Obraztsov★ 4.9109 ratingsEducationFreeData updated 2026-09-16
- provides vocabulary with detailed descriptions and examples. Users can search words, view pronunciations, and access offline content. Supports pronunciation for both languages and integrates with web browsers.
Teaches concepts including addition, subtraction, , and division for grades 1-5. Includes practice mode for tables. Features three difficulty levels for mental practice. Offers word matching games and sudoku puzzles.
Learn road signs, laws, and the highway code through structured courses. Take updated mock tests to prepare for the DVSA . Practice offline anytime and track progress towards passing the exam.
Solve problems by snapping photos or typing questions. Get instant solutions with detailed explanations. Explore the periodic table with interactive elements. Track progress with built-in quizzes and practice exercises.
Generate from natural language descriptions in multiple languages. Convert between languages for compatibility. Scan and analyze to identify errors and suggest improvements. Provide real-time coding assistance and syntax highlighting.
Learn to read sheet music and improve sight-reading with interactive lessons and timed exercises. Identify notes through animations. Receive skill-based recommendations. Track progress with session results. Adjust difficulty based on user level.
Learn and with a featuring extensive vocabulary and detailed word descriptions. Access examples for context. Use offline mode for basic functions. Listen to pronunciations for both languages via internet.
Learn words with detailed examples and pronunciation
Learn and with a featuring extensive vocabulary and detailed word descriptions. Include numerous examples for each term. Access pronunciation for both languages. Use offline mode for word lookup but require internet for audio and web functions.
Model points and lines on a plane with colored elements and pair labels. Use a 19x15 grid or dot/square grid. Display tables of values and sliding axes. Graph ordered pairs, distance, and transformations. Plot ratios, rates, and linear equations.
Access medical exam revision materials including questions, videos, and teaching notes. Review user feedback and scoring data to ensure content quality. Remove outdated or underperforming questions regularly.
Identify hazardous materials using UN numbers. Access ERIC files for emergency response info. View hazard codes including Kemler, Hazchem, and tunnel codes. Display GHS classification and labeling. Function offline without internet connection.
Solve problems, geometry puzzles, and science questions by typing, snapping, or scanning. Receive step-by-step explanations. Customize learning paths and track progress over time. Share solutions with others.