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#299092 - 06/10/21 02:22 AM Re: old timer chat [Re: Chisel]
KenK "Be Prepared" Pooh-Bah Registered: 06/26/04 Posts: 2211 Loc: NE Wisconsin	I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great. Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators.
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#299093 - 06/10/21 12:34 PM Re: old timer chat [Re: KenK]
brandtb Addict Registered: 11/26/04 Posts: 514 Loc: S.E. Pennsylvania	Originally Posted By: KenK I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great. Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators. As a former CPA I found reverse Polish notation far superior when adding/subtracting columns of numbers. https://download.cnet.com/Calculator-NET/3000-2053_4-10150008.html _________________________ Univ of Saigon 68
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#299094 - 06/11/21 12:45 AM Re: old timer chat [Re: KenK]
Doug_Ritter Pooh-Bah Registered: 01/28/01 Posts: 2207	Originally Posted By: brandtb [quote=KenK]I use the RealCalc app that acts as an HP reverse polish notation calculator on my Android phone, although my HP 15C calculator purchased in graduate school (mid '80's) still work great. Once your brain 'gets' RPN it's hard to use old fashioned algebraic calculators. YES!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! _________________________ Doug Ritter Editor Equipped To Survive® Chairman & Executive Director Equipped To Survive Foundation www.KnifeRights.org www.DougRitter.com
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#299095 - 06/11/21 08:33 PM Re: old timer chat [Re: Chisel]
Eugene Carpal Tunnel Registered: 12/26/02 Posts: 2997	Mine is a 48sx and droid48 on the phone and x48 on the desktop/laptop _________________________ https://connect.garmin.com/modern/profile/eugenenine https://pixelfed.social/i/web/profile/587437729469961861 https://www.alltrails.com/members/eugenenine/recordings
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#299096 - 06/11/21 09:51 PM Re: old timer chat [Re: Chisel]
KenK "Be Prepared" Pooh-Bah Registered: 06/26/04 Posts: 2211 Loc: NE Wisconsin	A company that makes replica (sort of) HP calculators. https://www.swissmicros.com/products If you think these are expensive, note that HP 15C's are asking for more than $200 on ebay.
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#299097 - 06/12/21 12:16 AM Re: old timer chat [Re: KenK]
Doug_Ritter Pooh-Bah Registered: 01/28/01 Posts: 2207	Originally Posted By: KenK A company that makes replica (sort of) HP calculators. https://www.swissmicros.com/products If you think these are expensive, note that HP 15C's are asking for more than $200 on ebay. That's cool! _________________________ Doug Ritter Editor Equipped To Survive® Chairman & Executive Director Equipped To Survive Foundation www.KnifeRights.org www.DougRitter.com
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