| slovo | definícia |
visicalc
(foldoc) | VisiCalc
/vi'zi-calk/ The first
spreadsheet program, conceived in 1978 by Dan Bricklin, while
he was an MBA student at Harvard Business School. Inspired by a
demonstration given by Douglas Engelbart of a point-and-click
user interface, Bricklin set out to design an application that
would combine the intuitiveness of pencil and paper calculations
with the power of a programmable pocket calculator.
Bricklin's design was based on the (paper) financial spreadsheet,
a kind of document already used in business planning. (Some of
Bricklin's notes for VisiCalc were scribbled on the back of a
spreadsheet pad.) VisiCalc was probably not the first application
to use a spreadsheet model, but it did have a number of original
features, all of which continue to be fundamental to spreadsheet
software. These include point-and-type editing, range
replication and formulas that update automatically with changes
to other cells.
VisiCalc is widely credited with creating the sudden demand for
desktop computers that helped fuel the microcomputer boom of the
early 1980s. Thousands of business people with little or no
technical expertise found that they could use VisiCalc to create
sophisticated financial programs. This makes VisiCalc one of the
first killer apps.
Dan Bricklin's Site (http://bricklin.com/visicalc.htm).
(2003-07-05)
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