API support To build cross-platform applications having the ability To generate, modify, convert, render, and print spreadsheets. It allows developers To manage worksheets, rows, columns & cells, create spreadsheet contents and styles from scratch, import data onTo the worksheets from different data sources, add common and complex mathematical, financial, and text formulas, create & manipulate pivot tables, charts, hyperlinks, comments, drawing objects and much more....XLS, XLSX, XLSB, ODS, CSV, PDF, HTML, and more. Worksheet Manipulation...