Persistent Memory
One important feature of programmable calculators is the availability of some form of persistent memory. Without persistent memory, programs have to be re-entered whenever power is lost, making the device cumbersome. Persistent memory can be within the calculator or as a separate device. Programmable calculators could use more than one technique.
Read more about this topic: Programmable Calculator
Famous quotes containing the words persistent and/or memory:
“The passion of self-aggrandizement is persistent but plastic; it will never disappear from a vigorous mind, but may become morally higher by attaching itself to a larger conception of what constitutes the self.”
—Charles Horton Cooley (1864–1929)
“That you’re wavin’ from the backroads by the rivers of my memory ever smilin’
Ever gentle on my mind.”
—John Hartford (b.1937)