Vince wrote on 27-Mar-2017, with regard to Graphing Calc.
Does Educalc support the 50G? (read...)

Anonymous wrote on 25-Mar-2017, with regard to HP 11c Quick Reference.
Necesito el manual de hp11c en español (read...)

Anonymous wrote on 25-Mar-2017, with regard to HP 11c Quick Reference.
Necesito el manual de hp11c en español (read...)

Mr.Dean wrote on 22-Mar-2017, with regard to Bowmar - First Electronic Calculator Made In USA.
Does anyone have a low serial number (i.e. below 10,000) that they would like to sell? Original packaging, with all accessories preferred. (read...)

ANSELMO wrote on 14-Mar-2017, with regard to HP 50g ROM Update License Agreement.
gostaria de obter o programa Romupdate (read...)

Anonymous wrote on 14-Mar-2017, with regard to RPN Entry Mode.
Jesus:THNX! !! !!! (read...)

DrsPryse,PhI:Ralph^Joy!,(ce)! wrote on 14-Mar-2017, with regard to RPN Entry Mode.
What's happened to my HP-45,^-67?/\'^'48s? {('~','^','v','0','1'):APLholically,'not','&','or','F,(alse)','T,(rue)')}\My wife,My Jn15:11,woman:O.D'ed,(40+yrs.ago?):Ain't,'I Am':61+y.o.Virgin?W/more APLholic 1ness,=>His,Heb.11:19,"Fig.Spk.ing", .5+Lie,about,'Raising the Dead':Wasn't I Dead,on tHr7.11'74:a 6Mo.Coma?42^986/1461 yrs.ago? THNX. Jesus! Isn't my Wife,Jana she w/our Blck.Cat? Amen!!! (read...)

Vincent wrote on 11-Mar-2017, with regard to Graphing Calc.
My 50G doesn't graph anymore: I need to know why and what I can do about it? (read...)

Anonymous wrote on 09-Mar-2017, with regard to HP10BII Calculation for Word Problem Example 1.
How do you calculation the FV (read...)

Anonymous wrote on 09-Mar-2017, with regard to HP10BII Calculation for Word Problem Example 1.
How you the FV (read...)

Anonymous wrote on 08-Mar-2017, with regard to What is TVM (Time Value of Money)?.
When doing an ordinary annuity problem, my answers are always wrong compared to my professor's and classmate's answers. Problem: I/YR= 5 N=3 FV=0 PMT=100 Find PV. When I hit PV to find the answer, it comes up as -297.52. Everyone else's answer is -272.32. I've tried resetting the calculator and toggling between Alg/Chain modes. Can someone let me know why this is happening? And a solution? (read...)

Vincent wrote on 07-Mar-2017, with regard to HP 50g.
My 50G no longer graphs, what can I do? (read...)

Juan Diego wrote on 04-Mar-2017, with regard to Download Archive.
Hi, I think you do a great job, but need to know...is there any chance to get a 19BII emulator? (read...)

Nkokheli wrote on 02-Mar-2017, with regard to Changing the HP10BII Periods per Year Setting.
Thanks a lot guys for this help. Yhoo!! I almost sold my calculator thinking it's faulty. (read...)

Anonymous wrote on 02-Mar-2017, with regard to Difference Between HP 10bII and HP 10bII+ Plus.
FYI the issue bulletin for the HP 10bII Plus can be found here, the intro includes the floating to decimal switch, the rest of the PDF is specific to their course material: no www prefix, just https colon double forward slash professional.sauder.ubc.ca/re_creditprogram/course_resources/courses/busi0121b/content/bulletin1.pdf and professional.sauder.ubc.ca/re_creditprogram/course_resources/courses/busi0331a/content/331_WT1_Bull1.pdf Thanks for the info! (read...)

In replying to Paul G. who on 12-Sep-2014 wrote: I'm having difficulty using the HP10Bii+ to perform amortization calculations. I'm using the same keystroke sequence that I used with the HP10Bii, but when I press"=" to get principle, interest paid, and remaining balance, I don't get anything? What must I do different with the HP10Bii+ to get the desired outcomes?

Anonymous wrote on 02-Mar-2017, with regard to Difference Between HP 10bII and HP 10bII+ Plus.
FYI the issue bulletin for the HP 10bII Plus can be found here, the intro includes the floating to decimal switch, the rest of the PDF is specific to their course material: no www prefix, just https colon double forward slash professional.sauder.ubc.ca/re_creditprogram/course_resources/courses/busi0121b/content/bulletin1.pdf and professional.sauder.ubc.ca/re_creditprogram/course_resources/courses/busi0331a/content/331_WT1_Bull1.pdf Thanks for the info! (read...)

Amanda wrote on 01-Mar-2017, with regard to HP10bii Troubleshooting.
My calculator is giving me wrong answers when entering N=240, I/YR=0.33, PV=-350,000, FV=0 and PMT is 2113.56 instead of 2120.93. I have tried to play around with it and used N=20 x 12 , I/YR= 4 / 12 , PV=-350,000, FV=0 and PMT was correct @ 2120.93. The P/YR was already being set to 1 payment per year. Cheers. (read...)

Steve Ng wrote on 28-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
More info re: my previous post. The VM senses the HP Prime but does not show up as any device in explorer. Also, as soon as I start up the Connectivity Kit, the calculator goes into "recovery mode V13" and the only thing to do is to do a hard reset via the little pinhole. (read...)

Steve Ng wrote on 28-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
I tried using a Windows 10 Guest under VirtualBox on a Mac and have not been able to get it working. The Connectivity Kit does not see the USB connected Calculator. I have the VirtualBox Extension installed. I followed whatever instructions I could find to allow the USB device to be active in the VM. Nothing works. There does not appear to be anything else wrong with the USB port as I could mount an SD card reader and access some cards I had. (read...)

Anonymous wrote on 27-Feb-2017, with regard to hp 10bII - Resetting.
Mee took what did to do to help you ? (read...)

In replying to Anonymous who on 05-Feb-2013 wrote: I cant calculate proper cap rates with my HP10bll+ Financial Calculator and have looked everywhere to figure out how to do so help??

Lyubov wrote on 26-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
HP Prime lyubov& Kineret (read...)

Lyubov wrote on 26-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
HP Prime & Kineret (read...)

Lyubov wrote on 26-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
HP Prime & Kineret (read...)

Lyubov wrote on 26-Feb-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
HP Prime (read...)

Vincent wrote on 20-Feb-2017, with regard to A quick note for new HP 10bii owner.
Many thanks, bless you (read...)

Anonymous wrote on 11-Feb-2017, with regard to Blaise Pascal - first digital calculating machine.
bad information (read...)

Anonymous wrote on 07-Feb-2017, with regard to hp 10bII - Tutorial.
square root (read...)

Anonymous wrote on 06-Feb-2017, with regard to Charles Babbage .
bums (read...)

Your Mom wrote on 06-Feb-2017, with regard to Charles Babbage .
Get spell check Mark! (read...)

In replying to Mark who on 07-Oct-2015 wrote: i have a client that has a nest egg of pv1,500,000. he wants to add pmt of 50,000 for 11 years at i=6% on a 10bII i get 2148552 and with the same entries on my 12c i get 3596029. can anyone explain. thanks, mark

Mike wrote on 01-Feb-2017, with regard to HP 41cx Emulator.
Same here on Windows 7 but, not on XP, I expect this is a permissions issue - anyone have a work-around ? (read...)

In replying to Steven who on 01-Nov-2015 wrote: memory lost shows in the display each time I open the emulator to use it. Is there a remedy for this? Please advise

Wyatt Wong wrote on 31-Jan-2017, with regard to hp 20s scientific calculator.
I found the HP20s manual here: www.manualslib.com/manual/768754/Hp-Hp-20s.html (read...)

Marcio wrote on 22-Jan-2017, with regard to HP 50g.
how can I emulate a HP-50G to my PC. (read...)

Anonymous wrote on 14-Jan-2017, with regard to HP10bii Troubleshooting.
Omg YOU are a LIFESAVER. Thank you (read...)

In replying to Anonymous who on 17-Sep-2013 wrote: That happened to me. I fixed it by resetting the memory by holding down to ON, N and then FV at the same time. After you let go of those 3 keys, a message displays ALL CLEAR. After clearing the memory, my amortization function works again

Anonymous wrote on 11-Jan-2017, with regard to Abacus Simulator.
Who did this?😂😂 (read...)

Anonymous wrote on 09-Jan-2017, with regard to Abacus Simulator.
fuck this shit (read...)

Anonymous wrote on 09-Jan-2017, with regard to Abacus Simulator.
GAY (read...)

Anonymous wrote on 02-Jan-2017, with regard to Bowmar - First Electronic Calculator Made In USA.
Did ya get it from Ed White? (read...)

In replying to Ruth who on 06-Nov-2016 wrote: Mine still works too!!

Zafar wrote on 29-Dec-2016, with regard to Mustafa - Little India, Serangoon Road.
I want Casio fx 2.0 plus algebra.If you have it or able to get from your supplier please contact me.Thank you. (read...)

Peter Tong wrote on 19-Dec-2016, with regard to Changing the HP10BII Periods per Year Setting.
Sorry for the error on the diagram. It has been replaced with the corrected diagram. Thank you for your feedback. (read...)

In replying to Anonymous who on 13-May-2016 wrote: This dude is an absolute idiot and made a diagram of the calculator that incorrectly displays how to change the period. Waste of time. Directions right, picture so wrong

Peter Tong wrote on 19-Dec-2016, with regard to Changing the HP10BII Periods per Year Setting.
Sorry for the error on the diagram. It has been replaced with the corrected diagram. Thank you for your feedback. (read...)

In replying to Anonymous who on 04-Oct-2016 wrote: Really bad instructions. Picture is wrong. Not to mention that there are TWO PYR buttons. I wasted about 20 minutes only to determine I need to select the second PYR button (under the PMT button)

Crotalus wrote on 14-Dec-2016, with regard to Bowmar - First Electronic Calculator Made In USA.
I bought mine as soon as it was available in the Bay Area. It replaced my K&E and wouldn't snag out of a shirt pocket. Often useless because of my colorblindness, if I was in bright conditions. My first PC was an AppleLisa. (read...)

Gian Uberto wrote on 10-Dec-2016, with regard to Serial Cable for Old HP-48G Series.
Is the USB version of the HP48 cable seen as a serial cable by the PC? (read...)

Nämhen wrote on 08-Dec-2016, with regard to Using HP50g Calculator Connectivity Kit (CONNX4).
A mi me pasaba igual pero encontré que eran Malware's que interferían. Lo soluconé descargando ZHPCleaner de la página oficial y corriendo el programa. Espero que te sirva (read...)

In replying to Dave Burton who on 04-Dec-2016 wrote: I am unable to connect using my PC. I am using Windows 10 and it cannot find the device. When I plug in the cord, it is finding the device but will not connect. I have tried what you show above and the directions on the disk. Also, I am also unable to update the driver from the disk. Any ideas?

John Dziedzic wrote on 05-Dec-2016, with regard to HP 35 Backside Instructions.
I have a HP-35 scientific calculator and the backside instructions is slightly worn. I would like to replace it. Is it possible to purchase the backside instructions? Thank you . . . John (read...)

Dave Burton wrote on 04-Dec-2016, with regard to Using HP50g Calculator Connectivity Kit (CONNX4).
I am unable to connect using my PC. I am using Windows 10 and it cannot find the device. When I plug in the cord, it is finding the device but will not connect. I have tried what you show above and the directions on the disk. Also, I am also unable to update the driver from the disk. Any ideas? (read...)

Wle wrote on 03-Dec-2016, with regard to How to use an Abacus.
hex, yes i think so.. though it might be better if they would sum to 16 (read...)

In replying to Anonymous who on 29-Dec-2014 wrote: Since the two heaven beads add to 10, and there are still the five earth beads, which means all of the beads towards the centre sums to 15, is it therefore possible to use the abacus for hexadecimal arithmetic?

Da wrote on 30-Nov-2016, with regard to Graphing Calc.
Which shop sell HP Prime Graphing Calculator (read...)

Ron wrote on 29-Nov-2016, with regard to HP Calculator Timeline.
Unless the list was rapidly updated, the Hp 41cx is listed as 1983 (which seems about right). The list seems to be in order. (read...)

In replying to Anonymous who on 28-Nov-2016 wrote: It seems 41CX was forgotten from your list

Anonymous wrote on 28-Nov-2016, with regard to HP Calculator Timeline.
It seems 41CX was forgotten from your list (read...)

Tmtampi wrote on 26-Nov-2016, with regard to hp 12c (platinum) - Calculating a Compound Annual Growth Rate.
Yes, indeed. When you invest, its cash out (-). Any returns are cash in (+). (read...)

In replying to Anonymous who on 14-May-2016 wrote: Why do we have to use CHS to make PV negative? Is it because it represents a cash outflow (i.e. cash outflow of 1000 beginning of period 1, cash inflow of 1500 at end of period 2)?

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