On Sun, 11 Mar 2012 02:00:52 +0200, Chris Roper wrote: :: with RPN calculators, precedence should not factor into it Sorry, I wasn't specifically thinking about RPN when I typed that. If a school allows calculators for maths, which answer I wonder would be=20 considered correct, even if performed manually. Colin -- cdb, colin@btech-online.co.uk on 11/03/2012 =20 Web presence: www.btech-online.co.uk =20 =20 Hosted by: www.justhost.com.au =20 =20 This email is to be considered private if addressed to a named individual= =20 or Personnel Department, and public if addressed to a blog, forum or news= =20 article. =20 =20 =20 --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .