Read and write text with customizable fonts and themes. Scribble and guess to improve memorization. Select categories and personalize the learning environment with in- purchases. Track writing progress and practice counting exercises.
Calculate area for , rectangular, triangular, circular, trapezoidal, or elliptical spaces. Input dimensions to get feet, meters, or yards. Estimate material costs based on price per 100 units. Export results for project planning.
Play a turn-based strategy game on a 3x3 grid. Take turns placing X or O marks. Win by aligning three marks horizontally, vertically, or diagonally. Start with a corner, edge, or center position. Force a draw or win from any opening move.
Create and manipulate geometric shapes such as points, lines, angles, and conic sections. Adjust properties and calculate metrics. Display shapes on a zoomable coordinate system. Construct medians, altitudes, and bisectors.
Convert documents to PDF and existing files. Merge, split, and rearrange pages. Add comments, annotations, and form fields. Save and share PDFs directly. Organize files into folders and manage storage.
Capture screenshots with fullscreen or fragment options. Edit images using pencil, text, arrows, and shapes. Save up to 100 screenshots in the cloud. Share links to screenshots with customizable hotkeys.
Create and manage documents with PdfLaTeX, XeLaTeX, or LuaLaTeX. Generate PDFs offline or online. Sync files with Dropbox. Manage bibliographies using BibTeX or Biber. Compile projects locally with settings enabled.
Create and manage tasks and subtasks with color-coded labels and search functionality. Track task completion and spent. Generate invoices and calculate costs. Sync data across devices and operating systems.