[London] Free lecture – How computers get it wrong: 2+2 = 5, Prof Tony Mann, 6pm today (4 March 2013), Gresham College

Text below comes from Gresham College’s events page
http://www.gresham.ac.uk/lectures-and-events/how-computers-get-it-wrong-22-5

How to find Gresham College / Barnard’s Inn Hall
http://www.gresham.ac.uk/barnards-inn-hall

About the speaker (Prof Tony Mann)
http://www.gresham.ac.uk/professors-and-speakers/professor-tony-mann

How computers get it wrong: 2+2 = 5

Monday, 4 March 2013 – 6:00pm
Barnard’s Inn Hall

Overview

When lives depend on calculations, human error can kill.  From the early days of computing, one problem has been that they generally work with a fixed number of digits, creating rounding errors.  Chaos Theory has shown new ways in which computer arithmetic can give misleading results.  Such problems are not just theoretical – legend has it that one programmer became rich transferring the fractions of a penny lost in rounding errors into his own account!

No reservation required

You do not need to register for this free public event. It will be run on a “first come, first served” basis, so please feel free to arrive a little early to ensure that you can get a seat. Doors will be opened half an hour before the start of the event.

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