Perform calculations and unit conversions with over 120 formulas. Save and retrieve calculation results. Add frequently used calculators to a favorites list. Email calculation inputs and outputs. Search for specific calculations or references.
Register product details to receive support. Locate service contacts by region. Access user manuals and technical documentation for troubleshooting and maintenance.
Access a comprehensive dictionary with 110,000 and 18,000 antonyms used in Spanish-speaking countries. View complete definitions with forms, regions of usage, grammar, pronunciation, and related terms.
Control TV with swipe or tap navigation. Stream audio to iPhone. Access widgets for quick control. Type directly for instant searches. Adjust volume and settings remotely.
Find and summaries to assess suitability for children. Search by title, platform, age, or content. Access resources for safe gaming experiences. Check today's most viewed .
Manage schedules with a clean, user-friendly interface. Add events with color labels and set recurring reminders. Customize widgets for quick access. Scroll vertically or horizontally for easy navigation. Copy or move events with a single tap.
Create and organize notes with a distraction-free interface. Write entries for past, present, and future dates. Add current time and set various time types. Save and review notes for personal memory collection.
Upgrade your free with paper tape history for reviewing and editing past calculations. or export the history to iBooks, Dropbox, email, or . Save and retrieve files, add comments, and modify entries. The iPad version includes a full-sized keypad.
Queries are anonymized and data is protected to ensure privacy. Support innovative projects aligned with the UN’s 17 Sustainable Development Goals through monthly contributions.
Hiragana and katakana with personalized practice. Review frequently forgotten characters for improved retention. Test knowledge by matching to romaji or identifying from displayed characters. Practice writing kanas on screen with instant feedback.
Create and manage a knowledge base by saving text documents and web pages with formatting and links. Perform full-text searches and organize content using a browsable mindmap. Store all items in a local SQLite database.