To celebrate the 50th anniversary of the BASIC programming language, Apple co-founder Steve Wozniak has recounted how he wrote BASIC for the Apple I from scratch. His primary motivation was gaming, which he felt could spark a mainstream interest in home computers. follow link
Go Back and Forth Fast in Preview
If you're reading a PDF in Apple's Preview software, and you follow a bookmark or an internal link to move around within the PDF, you can quickly return to where you were by pressing the keyboard shortcut Command-[ (that's Command-Left Bracket). Or, you can choose Go > Back.
The command works iteratively, so you can go back to just the previously viewed page or if you issue the command again, to the page before that, and so on. There's also an equivalent Go > Forward (Command-]).
Steve Wozniak on How He Wrote BASIC for the Apple I