Calculate cut joints, elbow centerlines, and overall lengths for HVAC offsets. Input angles and dimensions to determine measurements. Avoid manual calculations and trigonometry. Reduce material waste and field cutting.
Calculate mathematical expressions with infix notation, view full equations as they are typed. Customize themes to match personal style. Access via lock screen widgets. Use one-handed keyboard for larger devices.
Read and reformat PDF and Word documents for mobile viewing. Adjust text size up to 300%. Search and select text. Preserve original fonts, colors, and graphics. Fit content to screen width without zooming.
Naming and writing formulas for ionic and molecular compounds, acids, bases, polyatomic ions, hydrocarbons, and organic functional groups. Choose between -to-name or name-to- exercises. Track progress and repeat exercises for reinforcement.
Access chemical element data including atomic number, symbol, and properties. Select and copy element details. Create molecular formulas by long-pressing symbols. Calculate molecular mass. Link to Wikipedia pages for additional information.
Create tables by adding rows and columns, then fill in cells with text or numbers. Copy, paste, select, and edit content easily. Organize information in a clean, minimal interface without extra features.
Study for standardized tests with practice questions, , and detailed explanations. Track progress with performance reports. Access subject-specific content for ACT, AP, CLEP, GCSE, GED, GRE, and other exams. Review key concepts and formats.
Learn with spelling quizzes and structure visuals. Identify formulas, names, and classifications. Explore organic, inorganic, and organometallic compounds. Choose between easy and hard difficulty levels.