Calculate tips and totals for bills with instant tip computation. Set custom state tax rates for precise calculations. Save default tip percentages for different service levels.
Turn your iPhone or iPad into a printing device. Connect to Wi-Fi printers to print documents, photos, and web pages. Support for PDFs, images, emails, and web pages. Detect and connect to printers quickly. Print directly from the device.
Perform stoichiometric calculations and material balance analysis. Calculate electrical circuits and fluid dynamics. Access engineering formulas and unit converters. Manage project timelines and resource allocation.
