13
votes
4answers
379 views

Keyboard number row ordering

On a typical keyboard, why is the 0 in the number row next to the 9 instead of the 1? This seems like a question which should have a straight-forward answer, but the only one I could find is this ...
6
votes
12answers
2k views

Why do physical keyboards still have built-in numpads?

Normally I use a wireless keyboard without a number pad and a mouse right next to it. Having started a new job, I was finding my right arm somewhat more sore. This was confusing until I realized: ...
8
votes
1answer
135 views

What are the costs of forcing a switch between mouse and keyboard?

If a user is entering text at a keyboard, then is forced to use their mouse for something (e.g. clicking a button in a modal dialog), what are the time and cognitive costs of that? Similarly, when ...