Find number sequences from 1 to 90 on a grid. Complete puzzles in 1 minute, unlimited time, or 10 seconds per move. Track observation time to assess skill level. Share results with friends.
Access instructional videos on vaginal hysterectomy, retropubic slings, transobturator slings, and colporrhaphy. Complete assessment questionnaires based on ACOG Simulations Consortium guidelines. Review 3D Model™ evaluations for surgical training.
Browse scholarly journals by subject to find relevant titles. View table of contents for current and past issues. Create a personal bookshelf of favorite journals. Save articles to EndNote, Mendeley, Zotero, RefWorks, or Dropbox.
Play card game against a friend or robot opponents. Match cards by playing one less or more than the center card. Win by playing all cards first. No ads in Gold version.
Learn with a dynamic periodic table, element details, and polyatomic ions. Explore acid strengths, electronegativity, and reactive series. Access definitions, molar mass calculations, and a unit converter. Quick access to YouTube channels.
Generate tables for logical formulas with step-by-step breakdowns of intermediate propositions. Input formulas to create tables and view detailed calculations of each logical step.
Play interactive games to learn the alphabet, count numbers, and recognize shapes. Practice memory, logic, and concentration through puzzles and pattern games.