Convert PDF files to editable spreadsheets while preserving text, layout, fonts, and tables. Edit and calculate data in the resulting .xlsx files. Open converted files in compatible mobile office apps like Microsoft or WPS.
Edit files including TXT, RTF, RTFD, HTML, XML, and markdown. View and modify formatting details like font, size, color, and alignment. Preview HTML and markdown in real time. Access files from device storage or cloud services.
Solve equations by moving matches to correct the equation. Complete 600 levels designed to improve skills and logical thinking. Features include varying difficulty levels and brain-stimulating puzzles.
Access terms, , and tables organized by category. Each formula includes a description and variable definitions. Prepare for tests or Olympiads by studying theory, terms, and calculations.
Calculate and elemental composition for chemical formulas. Input formulas with subscripts, parentheses, and nested groups. Display total and individual element contributions. Perform elemental analysis for problem-solving and educational purposes.
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.
The app helps users learn inorganic acids, polyatomic ions, and their salts. It offers spelling quizzes, multiple-choice questions, and a time game for practice, along with tables for reference.
Access engineering formulas and calculations for problem-solving. Input values to compute results. Includes topics like thermodynamics, mechanics, and materials. Supports unit conversions and equation solving. Save and share calculation results.
Edit files with multiple tabs for simultaneous editing. Use custom fonts and line numbers for precise code work. Access files via iCloud and integrate with Files . Support 191 programming languages with syntax highlighting. Choose from 242 themes.