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Frank

If you are in the mood to blow 8-9 bucks, would strongly suggest checking
out the TI-30Xa.  Very intuitive and seems (to me) to me more intuitive than
the Casio.

Bill


> Alex wrote:
> "In addition to my previous message,
> believe me or not, but my Casio  fx250D worked on its original battery
> from 1989 to 2004. I actually thought  it is solar-powered"
>
> The fx250/260 series are the best non-programmable "trig" calculators ever
> manufactured (in my opinion!). They do just what we need them to, they do it
> right, and they are now dirt cheap. I've got three of them within twenty feet
> of  me right now because they're such a great value.
>
> You mentioned the sexagesimal (deg, min, sec) input function earlier. I was
> amazed to discover when I bought an fx-260 solar-powered model last fall that
> this function has been refined even more. Whereas earlier versions displayed
> the  angle always as decimal degrees, this newer model shows deg, min, sec
> separately  which makes typos much more obvious. It also does inverse
> conversions
> when you  want to get deg,min,sec from decimal degrees. These are trivial
> matters in any  expensive computing device, but it's just amazing to see it in
> a
> calculator  that costs less than eight dollars.
>
> -FER
> 42.0N  87.7W, or 41.4N  72.1W.
> www.HistoricalAtlas.com/lunars
>

   

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