Posts: 136
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Joined: Aug 2010
Ok, here is a new topic.
What luxury add ons/mods have you guys done?
A new set of batteries for my HP16C after 10 years, even though it didn't need them ;-)
Posts: 1,153
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Joined: Mar 2006
I sewed a back pocket from an old pair of Levi's (including the little red cloth label) onto the outside of my HP-21 belt-case, so I could carry colored pens & etc. in addition to my calculating device. (I suppose a pocket protector to protect my add-on pocket would have completed the package, but to my recollection I never went THAT far . . . )