On Thursday, September 18, 2014 12:59:10 PM UTC-4, Steven G. Johnson wrote: > > Note that in Fortran, Python, Matlab, and Mathematica, the exponentiation > operator has higher precedence than unary -, similar to Julia. -10^2 in > WolframAlpha (http://www.wolframalpha.com/input/?i=-10%5E2) gives 100, > and WolframAlpha tries pretty hard to do natural-language interpretation of > mathematical expressions. >
Sorry, I mean that WolframAlpha gives -100. I think the rationale here is that -10^2 should be read as ASCII for –10², and the latter is –100 in usual math notation as I understand it.
