Chem Calc vs PDF Scanner and Editor ..

Chem Calc is a powerful and easy-to-use chemistry calculator for students, teachers, and professionals. It helps you solve chemical problems, balance equations, and perform accurate calculations — both online and offline. Most features work offline. Internet access is required only for reaction search. Key Features Interactive Periodic Table Explore all chemical elements with detailed properties: - atomic number and atomic mass - electron configuration - electronegativity - atomic radius and oxidation states - standard state and physical properties Tap any element to view full information. Reaction Search and Equation Balancer - Search for common inorganic and organic reactions - Automatic equation balancing - Correct stoichiometric coefficients - Support for complex formulas and brackets Molar Mass Calculator Calculate molar mass for any valid chemical formula (for example: C6H12O6, Fe2O3, KMnO4). - detailed element breakdown - support for nested brackets - crystal hydrates (CuSO4·5H2O) - pH and Acid–Base Calculations - pH calculation for acids and bases - concentrations of H⁺ and OH⁻ - support for weak acids and bases using pKa / pKb Gas Laws and Ideal Gas Calculator Solve problems using the ideal gas equation PV = nRT. - pressure, volume, temperature, amount of substance - automatic unit conversion (Pa, atm, mmHg, L, mL, K, °C) Concentration and Dilution Tools - molarity, molality, normality - mass fraction and volume fraction - dilution and solution mixing calculations Calculation History All recent calculations are saved so you can quickly return to previous results. Unit Converter Convert: - mass, volume, amount of substance - concentration units - number of particles (Avogadro’s number) Change units without re-entering values. Why Choose Chem Calc - Accurate and reliable data based on standard chemistry references - Clean and intuitive interface - Works offline for most calculations - Suitable for school, university, and laboratory use Regular updates with new features and improvements Download Chem Calc and keep all essential chemistry calculations in one app — no paper tables or external references needed. Follow updates: https://t.me/chemcalc_en Privacy Policy: https://www.notion.so/Privacy-Policy-204d504d7d5a80218d28dee6633990d5?source=copy_link Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Our app is a complete PDF and document management tool that makes it easy to scan, edit, convert, sign, organize, and share files directly from your device. Transform paper documents into digital PDFs in seconds using your camera, edit files with convenient tools, add signatures, convert between popular formats, and manage important documents wherever you are. The app is designed for everyday productivity, whether for work, study, business, or personal tasks. Key Features: - Scan documents and create clear, high-quality PDF files - Edit PDFs by adding text, highlights, drawings, and annotations - Add digital signatures quickly and securely - Convert files between PDF, DOCX, JPG, PNG, and other formats - Merge multiple PDFs or split files into separate documents - Create PDFs from images, notes, and web pages - Organize documents with folders, sorting, and search tools - Share files instantly via email or messaging apps - Secure important documents with password protection - View files with zoom, scrolling, and text search support The app supports importing files from your gallery, device storage, and camera, and many features are available even without an internet connection. Free Features Include: - Basic document scanning - Standard conversion and viewing tools - File history and document organization - Essential PDF management features Premium Features Unlock: - Unlimited file conversions - Advanced PDF editing tools - Expanded document format support - Password-protected file management - PDF merge and split functionality - Additional export and document creation options Subscriptions & In-App Purchases: Weekly — $4.99 Monthly — $12.99 Yearly — $39.99 Lifetime — $59.99 Privacy Policy: https://docs.google.com/document/d/1csDIJnGy-4gywTa9Q7Cd4HD8UHe0IoC5ICJq-N2GVgQ/edit?usp=sharing Terms of Use Link: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/