What is the shortcut key for starting the slideshow from the selected or active slide?

To start a presentation from the current slide:

• in PowerPoint 2003 or later, press Shift+F5
• in PowerPoint X/Macintosh, press Control+Shift+B

To start a presentation from the beginning:

• in PowerPoint for Windows, press F5
• in PowerPoint X/Mac, press Control+Shift+S