Microsoft
Microsoft: Keyboard Shortcuts for Windows
This reference from Microsoft lists the keyboard shortcuts you can use in Windows.
Math Open Reference
Math Open Reference: Math / Scientific Calculator
This online scientific/math calculator supports functions for algebra and trigonometry. Operates using both the keys on the computer keyboard or pressing the keys on the calculator with the mouse or a combination of both.
PC Technology Guide
Pc Tech Guide: Input Devices
This website gives descriptions of the different types of input devices such as keyboards, mice and touchscreens. Discusses how hardware looks and functions, different types of each device and how each device has been developed and...
Lingolex
Lingolex.com: Learn Spanish: How to Use Spanish Characters With Any Pc Running Msdos and Windows
A very succinct guide on how to apply accents on your computer. The codes are a must for every student and teacher learning or teaching Spanish.