Welcome to the web site of the 21st IEEE International Symposium on Computer Arithmetic, held in Austin, Texas, USA, on April 7-10, 2013.

Night view of Austin skyline and Lady Bird Lake as seen from Lou Neff Point. Picture by LoneStarMike 29/03/2010. Licensed under the Creative Commons Attribution 3.0 Unported license.

Since 1969, the ARITH symposia have served as the primary and reference conference for presenting scientific work on the latest research in computer arithmetic. The topics of the conference include theoretical aspects, number systems, algorithms for operations, implementations and applications of computer arithmetic. Since 1981, the ARITH symposia have been a biennial event. See the archives page for more information on previous symposia.


The 21st Symposium is dedicated to the memory of Luigi Ciminiera and Luigi Dadda.


Call for papers for a Special Section on Computer Arithmetic in the IEEE Transactions on Computers (August 2014) [video].


Extended Abstracts Submission Deadline - HARD Aug. 31 Sept. 10, 2012
Extended  Papers  Submission  Deadline - HARD Sept. 10 Sept. 21, 2012
Acceptance notification December 2012
Final version deadline Jan. 18, 2013
Authors' registration deadline Jan. 18, 2013
Early registration deadline Mar. 1, 2013