Here's how you can quickly switch your Chromebook's scrolling direction while reading web pages. This will let you scroll down while moving up on your trackpad, and vice versa.
1. Go to chrome://settings in your browser.
2. Go to Touchpad Settings under Devices.
3. Tap on the Australian scrolling option.
Chromebooks still aren’t for everyone, of course; they suit my workflow really well but we all have varying computing needs. That’s OK, there’s room for everyone’s personal choice. If you do use a Chromebook — or a Chromebox, for that matter — here are some tips to help you get more out of your device.More at Gigaom
Additional resources for Chrome OS