Re: Re: using N function
- To: mathgroup at smc.vnet.net
- Subject: [mg76454] Re: [mg76395] Re: using N function
- From: Carl Woll <carlw at wolfram.com>
- Date: Tue, 22 May 2007 02:59:37 -0400 (EDT)
- References: <f2me6h$lu4$1@smc.vnet.net> <f2orbi$6vd$1@smc.vnet.net> <200705211002.GAA10093@smc.vnet.net>
Szabolcs wrote: >The OP probably uses Thunderbird, and he copied and pasted the >expressions from his first message. Thunderbird has the stupid habit to >display the 2 in x^2 as a superscript. When you copy it, it will be >copied as x2, not x^2 (and unfortunately nobody cares to fix this bug). > >So 640320^3 got turned into 6403203. > >Pay attention to this if you use Thunderbird and you are copying >Mathematica code from e-mail messages ... it bit me more than once. > > If you can live without emoticons, you can go to Tools | Options | Display and uncheck the option Display emoticons as graphics Then, copying x^2 will work. Carl Woll Wolfram Research >Szabolcs > >Jens-Peer Kuska wrote: > > >>Hi, >> >>Mathematica 5.2 and 6.0 say >> >>2.625374126343655*10^17 >> >>and so I don't know what you mean .. >> >>Regards >> Jens >> >>kkwweett wrote: >> >> >>>Good morning Mathematica users, >>> >>> >>>Can anyone tell me, please, which of a),b) or c) is wrong : >>> >>>a) >>><MathematicaHelp> >>><quote> >>> >>>N[expr] is equivalent to N[expr, MachinePrecision]. >>> >>></quote> >>></MathematicaHelp> >>> >>>b) >>>In[1]:=N[Exp[Sqrt[163 ]Pi] - 6403203] >>>Out[1]=256. >>> >>> >>>c) >>>In[2]:=N[Exp[Sqrt[163 ]Pi] - 6403203,$MachinePrecision] >>>Out[2]=743.9999999999993 >>> >>>? >>> >>>Thank you >>> >>> >>>
- References:
- Re: using N function
- From: Szabolcs <szhorvat@gmail.com>
- Re: using N function