Numbers, Pages si Keynote, known in the past as the suite iWorks, are Office applications developed by Apple for its own systems, OS X (for MacBook and iMac) and iOS (iPad and iPhone).
For those less familiar with OS X dedicated applications, or for beginners on idevice Apple, the three applications are the correspondence of Microsoft Office applications, developed for systems Windows PC.
Numbers is the application that offers mostly the same calculation functions as well Excel, and all Excel documents with termination .xls or . Xlsx can be opened and edited in Numbers. Even if these files Microsoft Office Excel were created on Windows. The same can be said about Pages si Keynote, where you can easily open and edit files Word Office extension .doc or . Docx, and files Power point Extensions .ppt si . Pptx.
Apple constantly updates the three office applications, and even two days ago, on May 10, 2016, a very important update was made for this office suite.
Versions Keynote 6.6.2, Numbers 3.6.2 si Pages 5.6.2 have solved a series of bugsand the performance of the three applications has been improved.
The update is available via App Store, at the button Updates.