The app offers a practical text calculator with WYSIWYG display. It supports basic arithmetic, exponentiation, radicals, logarithms, factorials, permutations, combinations, trigonometric functions, hyperbolic functions, and more.
The app allows users to annotate, edit, combine, convert, encrypt, scan, and sign PDF documents. It supports offline conversion to various file formats and includes OCR capabilities for text extraction.
View PDFs in single or two-page mode. Print documents and adjust zoom levels. Annotate pages with text, stamps, and signatures. Convert files between formats. Edit text, add comments, and rearrange pages. Save and share modified PDFs.