The 2250 and its precursors were heavily used as a part of IBM's
collaboration with CBS News to provide presidential election-night
coverage in the United States, IBM's participation being directed at
familiarizing viewers with its technology.

As Chris Mason has implied, the distinction between text and graphics
was moot; and this was sometimes an advantage.

My colleagues and I used it in the 1970s as a component of an
experimental pharmacological screening/data reduction system that we
developed for a then major pharmaceutical company; and we were able to
produce plots on it that were helpful in directing the course of
ongoing mainframe computations.

Flicker was not a problem when predominantly graphic output was
displayed;  it was a problem when large quantities of rapidly changing
alphameric-text were displayed.  Programming it was not difficult for
anyone familiar with the not very arcane algebra of piecewise linear
interpolation; and my memories of it are agreeable, if not quite fond,
40 years on.

John Gilmore, Ashland, MA 01721 - USA

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