Access and manage academic papers with PDF annotation tools. Highlight text, add notes, draw freehand, and insert text annotations. Sync with or libraries across devices. Share annotated documents directly.
The app allows users to create geometric shapes and explore their properties. It includes tools for drawing, annotation, and transformations, with automatic metric calculations and snapping features.
Teaches like circle, square, triangle, rectangle, and pentagon through animated visuals. Helps develop fine motor skills, memory, and attention. Includes interactive activities for early preschoolers.
Read and annotate PDFs with highlighting, freehand drawings, and audio notes. Edit text, sign documents, and convert to other formats. Organize files, merge or split documents, and insert pages or hyperlinks. Import from computer or cloud.
The app allows users to create photo collages from their pictures and share them on social media. Users can select from 52 layouts and customize them with various frame shapes and color palettes.
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.
The app recognizes text from images. Users can improve results by taking clear pictures in bright environments and cropping them to include only the target text.
The app shows expressions as users enter them and keeps a history of calculations. It performs fraction and angle conversions, solves equations, and converts between coordinate systems.
Learn numbers 1 to 9 through interactive activities with geometric shapes. Identify and match shapes like square, circle, triangle, pentagon, and rectangle. Choose from English, Spanish, Russian, and other languages.