Re: problem with parsing InputForm scientific notation (eg. 3.`*^-7)

*To*: mathgroup at smc.vnet.net*Subject*: [mg80758] Re: problem with parsing InputForm scientific notation (eg. 3.`*^-7)*From*: yatesd at mac.com*Date*: Thu, 30 Aug 2007 23:52:28 -0400 (EDT)*References*: <fara85$4jd$1@smc.vnet.net>

On Aug 26, 8:31 am, "Chris Chiasson" <ch... at chiasson.name> wrote: > Can anyone confirm this report? > > Steps to reproduce: > 1. Enter "3.`*^-7" (without quotation marks) into an Input cell and evaluate it. > 2. Go back to the Input cell, put your cursor at the beginning and > enter "RealDigits[" > 3. Hit the End key, type "]" and then re-evaluate the cell, which by > now reads "RealDigits[3.`*^-7]", but don't enter that directly. > > I have encountered other errors where InputForm messes up the syntax > checker, but I haven't been able to make a small reproducible example > like this one. > > Version 6.0.1 on MS Windows XP SP2 > > --http://chris.chiasson.name/ Works fine for me on a Mac. Have you tried RealDigits[3.*^-7] or RealDigits[3`*^-7] ? Perhaps the parser is confused by having both the period and the number mark as only one is needed. (Note that InputForm[3`] -> 3.) Regards, Derek