New Features at a Glance Desktop Toolstrip that replaces menus and toolbars in MATLAB 2012B Desktop Apps gallery that presents apps from the MATLAB product family Single-file application packaging as a MATLAB App Installer file for inclusion in the apps gallery Redesigned Help with improved browsing, searching, and filtering Viewing of multiple documentation pages simultaneously with tabbed browsing Suggested corrections for mistyped functions and variables in the Command Window Full-screen view mode on Mac operating systems Language and Programming Abstract attribute for declaring MATLAB2012B classes as abstract Diagnostic message improvements when attempting to create an instance of an abstract class Mathematics Performance improvements and multithreading for airy, psi, and Bessel functions ddensd function that solves delay differential equations of neutral type with state-dependent delays Data Import and Export Data import from delimited and fixed-width text files using Import Tool Single-step import of numbers, text, and dates as column vectors from a spreadsheet with Import Tool audioread and audioinfo functions for reading MP3, MPEG-4 AAC, WAVE, and other audio files audiowrite function for writing MPEG-4 AAC, WAVE, and other audio files Reading and writing of BigTIFF image files larger than 4 GB Reading of XLSM, XLTX, and XLTM files on all platforms with xlsread function