...it.

Support for the development of these materials was provided by the National Science Foundation and supplemented by grants from George Mason University, the IBM Corporation and Apple Computer

...memory.

CUPS utilities buffer the screen to memory when doing a pop-up panel and restore the screen when the panel disappears. This speeds up the user interface since calculations are minimized, but the program must write to a temporary file on the disk if heap memory is not available. This can be slow without a cached hard drive and may cause a crash if the disk is full or write protected.

Wolfgang Christian
Fri Apr 14 08:22:30 EDT 1995