Is there a way to save data inputed into Arduino?

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i have barometer hooked , running. issue having every time turn on or hit reset need recalibrate it. there way save data onto board after reset or turn on runs program , grabs saved data well?

i'm using duemilanove board , data need save in form of double.

any appreciated, it's class project.

thanks.


eeprom...
http://www.arduino.cc/cgi-bin/yabb2/yabb.pl?num=1234477290/3#3



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