Following up on Jos Kerc's answer: On Fri, 2013-01-18 at 07:56 -0500, Carpenter, Steven wrote: […] > print(math.acos(((a**2)+(b**2)-(c**2))/(2(a*b))))
2(a*b) → 2 * (a * b) > TypeError: 'int' object is not callable Juxtaposition does not imply multiplication in Python as it does in mathematics. -- Russel. ============================================================================= Dr Russel Winder t: +44 20 7585 2200 voip: sip:russel.win...@ekiga.net 41 Buckmaster Road m: +44 7770 465 077 xmpp: rus...@winder.org.uk London SW11 1EN, UK w: www.russel.org.uk skype: russel_winder
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