Calculate areas, volumes, and estimates using both imperial and metric systems. Convert units with built-in converters. Customize themes to choose preferred colors. Perform basic math operations and track calculations for projects.
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.
Review and practice exam questions with detailed explanations. Access interactive study tools and flashcards. Track progress and identify weak areas. Receive personalized study recommendations. Sync study sessions across devices.
View event schedules, presentations, exhibitors, and speaker details. Take notes on slides, posters, and exhibitor content. Draw directly on presentation slides. Share notes via in- messaging, email, and social media.
Manage tasks, to-do lists, reminders, calendars, notes, and shopping lists in one . Sync data across iOS devices via iCloud. Take text, image, and voice notes. Organize and capture information efficiently.
Write and format Markdown notes with code snippets, colored syntax highlighting, and embedded links or images. Export notes as plain text, Markdown, HTML, or PDF. Organize notes into folders and mark favorites. Compile code online in a playground.
Calculate the weight of metals including gold, silver, platinum, and rhodium. Input width, length, and thickness in millimeters or inches. Results displayed in troy ounces and grams. Supports foil and wire calculations.
View abstracts, presentations, speakers, and exhibitors from . Take notes on slides and draw directly on them. Share notes via in- messaging, email, or social media.
Performs basic arithmetic and scientific calculations. Save equations and results for later. Unit Converter converts units for area, length, temperature, and more. Includes tools for currency exchange, date calculations, and percentage computations.
Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.
View abstracts, presentations, speakers, and exhibitors from courses. Take notes on slides and draw directly on them. Share notes via in- messaging, email, or social media.
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.