Home

Welcome to my Professional website

Over the past four decades, I’ve been a technology practitioner, consultant, researcher, and educator in academia, scientific research, and defense, financial service and health care industries.  This site is a forum for my background, publications, and technical musings.  You can find my CV here.

Please feel free to contribute your thoughts.  Thanks for the visit.

Click here If you’re searching for my personal website.

Bibliography

  1. P. Johnstone, Decimal floating point representations, Ph.D. Dissertation, Tulane University, New Orleans, (May 1988)
  2. P. Johnstone and F. E. Petry, Higher radix floating point representations, In Proceedings of the 9th IEEE Conference on Computer Arithmetic, Santa Monica, CA, September, 1989, pp. 97-105, IEEE Press, New York, NY
  3. P. Johnstone, Representational error in binary and decimal numbering systems, In Proceedings of the 20th SE Regional ACM Conference, Knoxville, TN, April 1, 1982, pp 85-88, ACM Press, New York.
  4. P. Johnstone and F.E. Petry, Design and analysis of non-binary radix floating point systems, Computers and Electrical Engineering, 1993
  5. P. Johnstone and F.E. Petry, Rational number approximation, In Proceedings of the 1992 IEEE Southeastcon Conference, Birmingham, AL, April 12, 1992, pp 501-504, IEEE, New York.
  6. P. Johnstone and F. E. Petry, Non-Binary floating point representations, Computers and Math. Applications. Vol 25, no. 6, 1993, pp. 103-108.
  7. P. Johnstone and F. E. Petry, Higher radix floating point representations – Architecture and Algorithms – in review, Electronic Letters