Editing Scroll wheel (section)

==History==
The scroll wheel on a mouse has been invented multiple times by different people unaware of each-other's work.  Other scrolling controls on a mouse, and the use of a [[spinner]] for scrolling both precede the combination of ''wheel-on-mouse''.
The earliest known wheel shown to the public was a research project from [[Apple]] at a conference in 1989<ref name="buxtontimeline"/> followed by [[Three degree of freedom graphic object controller|a patent]], applied for in 1992.

The first mouse with scroll wheel available on the market was the ''[[Mouse Systems]] ProAgio Scroll Mouse'' from  in 1995. It was also sold as the ''Genius EasyScroll''.
<ref name="oldmouseProAgio">Oldmouse.com—[https://www.oldmouse.com/mouse/mousesystems/scroll.shtml Mouse Systems ProAgio Scroll Mouse]. Retrieved 2018-12-04</ref>

[[Microsoft]] popularised the scroll wheel with the [[Microsoft IntelliMouse|IntelliMouse]] in 1996.

IBM's [[#Scrolling stick|TrackPoint Mouse]] was the first commercial mouse with two-dimensional scrolling.<ref name="buxtontimeline">BillBuxton.com—[https://www.billbuxton.com/inputTimeline.html Some Milestones in Computer Input Devices: An Informal Timeline]. Revision dated 2018-11-23, retrieved 2018-12-04</ref>