Lunga wrote on 24-May-2017, with regard to Changing the HP10BII Periods per Year Setting.
Thanks (read...)

In replying to Shruti who on 26-Oct-2015 wrote: Mine is stuck on 12 p/yr. can someone help, please?

Anonymous wrote on 19-May-2017, with regard to Blaise Pascal - first digital calculating machine.
No you!? (read...)

In replying to Pascal who on 13-Apr-2017 wrote: Then F U.

Anonymous wrote on 19-May-2017, with regard to Blaise Pascal - first digital calculating machine.
I didn´t like the text because it didn´t have a lot of interesting information about the calculator. (read...)

Wyatt Wong wrote on 19-May-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
HP Prime Connectivity Kit for macOS [URL]en.hpprime.club/software[/URL] (read...)

Elrick wrote on 14-May-2017, with regard to Bowmar - First Electronic Calculator Made In USA.
I WILL LOOK.MY DAD LEFT ME ONE,AND BEING THAT HE WAS THE COMPANY THAT PAINTED THEM FOR BOMAR IT IS AN EARLY ONE. (read...)

In replying to Mr.Dean who on 22-Mar-2017 wrote: Does anyone have a low serial number (i.e. below 10,000) that they would like to sell? Original packaging, with all accessories preferred.

Lyubov wrote on 08-May-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
Thanks you (read...)

Lyubov wrote on 08-May-2017, with regard to HP Calculator Connectivity Kit for HP Prime.
thanks you (read...)

Anonymous wrote on 06-May-2017, with regard to Abacus Simulator.
Oh god (read...)

In replying to Anonymous who on 15-Feb-2016 wrote: so jetzt genug geredet jetzt wird's homoshit

CWest14 wrote on 06-May-2017, with regard to HP 10bII+.
What is the HP 10bii+ equivalent of the %i function? Help? (read...)

Rafael wrote on 28-Apr-2017, with regard to HP 12c Platinum 25th Anniversary Edition.
How can I order the Exclusive 25th Anniversary embossed leather pouch. How much it cost (read...)

Ryan wrote on 26-Apr-2017, with regard to hp 50g - Change Display Mode.
Good day Fernando, I made a error. It works perfectly, thank you for your advice, I really Appreciate it. Kind regards (read...)

Ryan wrote on 26-Apr-2017, with regard to hp 50g - Change Display Mode.
Hi Fernando, Thank you for your reply. I have actually tried that already. The decimals changes when I used fixed mode, but the (E-7) for example is still there. It is so frustrating. I wrote a test and I had to convert all my negative numbers to 0.00004578 for example. There is a way in equation writer that you can convert it.... I forgot. Regards (read...)

Fernando Fernandes wrote on 26-Apr-2017, with regard to hp 50g - Change Display Mode.
Hi Ryan, By default the HP50g displays in scientific notation, but you can modify this behavior changing the "Number Format" option in MODE setup to Fix (fixed) and choose, lets say, 9 decimal digits. You'll see the result as you want. But in this configuration all numbers will be shown with 9 decimal digits. Regards. (read...)

In replying to Ryan who on 25-Apr-2017 wrote: Good day Fernando, I need your assistance. When I enter a fraction into my HP 50g, Example 1/4578, the solution returns as 2.184E-4. I would prefer this to be displayed as 0.000078978 for Example. Any help?

Ryan wrote on 25-Apr-2017, with regard to hp 50g - Change Display Mode.
Good day Fernando, I need your assistance. When I enter a fraction into my HP 50g, Example 1/4578, the solution returns as 2.184E-4. I would prefer this to be displayed as 0.000078978 for Example. Any help? (read...)

In replying to Fernando Fernandes who on 13-May-2016 wrote: A more direct short hand for this operation is to press RED SHIFT and ENTER keys simultaneously. The indication in the header would toggle between ~ and = , approximated and exact modes, respectively.

Philip wrote on 22-Apr-2017, with regard to HP 41cx Emulator.
I think this is an access privileges issue if you install it into the standard program files directory tree, like "C:\Program Files (x86)" . I install it into a directory named "D:\UAC_OK\V41" where I have several programs that run into UAC issues, and V41 runs fine in this directory. (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

Thomas wrote on 22-Apr-2017, with regard to hp 10bII - Resetting.
Every time i press the I/YR button my calc. goes off. I did all the the reset methods, is there any known reason for this problem? (read...)

Mark wrote on 21-Apr-2017, with regard to HP 50g.
New around US $90, used around $ 45. However it is hard to find new one. (read...)

In replying to ED who on 14-Oct-2016 wrote: Price of HP50G?

Robert Pineda wrote on 17-Apr-2017, with regard to Buy HP Calc In Philippines.
hi. i wish to inquire about the availability and pricing of HP Prime calculator. also how to transact with you, the mode of payment, etc. thanks. (read...)

Fhub wrote on 17-Apr-2017, with regard to hp 12c (platinum) - Time Value of Money (TVM) Calculation.
Well, if his payments ($2500) are made at the beginning of the year, then the final value is FV=37403.39 (at the end of year 10). If the payments are made at the end of each year, then FV=35622.28. You can calculate this with my program TVM-Calc Pro 2015 which can be downloaded from my site here: fhub.jimdo.com/ (read...)

In replying to Anonymous who on 13-Apr-2017 wrote: Need help with this problem: Bob wants to save for college. He can save $2500 this year, but will increase that amount by 3% each year thereafter until his child goes to college in 10 years. If he earns 5%(yr.) on his money, how much will he have saved? Thank you.

Anonymous wrote on 13-Apr-2017, with regard to hp 12c (platinum) - Time Value of Money (TVM) Calculation.
Need help with this problem: Bob wants to save for college. He can save $2500 this year, but will increase that amount by 3% each year thereafter until his child goes to college in 10 years. If he earns 5%(yr.) on his money, how much will he have saved? Thank you. (read...)

Pascal wrote on 13-Apr-2017, with regard to Blaise Pascal - first digital calculating machine.
Then F U. (read...)

In replying to Anonymous who on 11-Feb-2017 wrote: bad information

Anonymous wrote on 13-Apr-2017, with regard to Blaise Pascal - first digital calculating machine.
10 dollars you fuckin retard, nobody want that. (read...)

In replying to Anonymous who on 24-Jan-2015 wrote: I have one of those calculators made by the Selective Educational Equipment Co. It has been in the family for almost 50 years now. Anyone know the value. Thinking of selling it.

Anonymous wrote on 12-Apr-2017, with regard to Abacus Simulator.
why is everything gAy? (read...)

Ship wrote on 11-Apr-2017, with regard to Charles Babbage .
CHARLES AND AMELIE (read...)

Trololololol wrote on 11-Apr-2017, with regard to Charles Babbage .
I LOVE THIS THANKS SO MUCH UR AWESOME!!!!!!!!!!!!!!!!!!!!!!!!!. jk TROLOLOLOL (read...)

Anonymous wrote on 08-Apr-2017, with regard to hp 10bII - Seft Test.
It means you have the newer model HP 10bII+ Refer to this page for the self test diagnostic settings for the newer model: www.educalc.net/1923483.page (read...)

In replying to Allesandro who on 14-Mar-2016 wrote: Does anyone know what the "I scrEEn" message indicates. That's what I get when I run this self-test. If I ignore that and type the test keys across the keyboard I end up with nothing but "620" and "pending" in small type. "amort" does not appear at all. ??

Iqbal wrote on 04-Apr-2017, with regard to HP 12c Gold.
None of the phone numbers listed for HP calculator reseller in Indonesia (Istidata) is contactable. It is either out of service or no one answers the phone. Have tried several times on different days. It is becoming very frustrating. Please try the numbers yourself. Are they out of business? (read...)

Eric wrote on 01-Apr-2017, with regard to HP 10bII+.
Set calculator to "END"? (read...)

JP wrote on 01-Apr-2017, with regard to Bowmar - First Electronic Calculator Made In USA.
Hello, Mr. Dean While I do not have a Model 901, if you are a Bowmar collector, you may be interested in what I believe to be an exceedingly rare Bowmar model. Rare, because I have never found this model listed or described, or any photos of it in any of the web calculator museums - or anywhere else for that matter. It is a slim, brushed aluminum cased, 25 key scientific calc. with blue/green fluorescent display. Bowmar actually labeled it "The Brain", not to be confused with mod. MX120 which is called the "Super Brain", nor ... (read...)

In replying to Mr.Dean who on 22-Mar-2017 wrote: Does anyone have a low serial number (i.e. below 10,000) that they would like to sell? Original packaging, with all accessories preferred.

Anonymous wrote on 01-Apr-2017, with regard to HP 12c Platinum.
How to find Stnd Dev of two stock portfolio when each stock weighted allocation, stnd dev and correlation is given (read...)

Always wrote on 31-Mar-2017, with regard to Graphing Calc.
Abause (read...)

Ajwa wrote on 31-Mar-2017, with regard to Graphing Calc.
Abause (read...)

Khabazela wrote on 30-Mar-2017, with regard to hp 10bII - Tutorial.
I am using HP 10bII the problem is when I am calculating the following Example 1: What is the FV of $100 after 3 years if the interest rate is 26 percent? First, clear by pressing . Next, enter the following data: 3 26 100 0 To determine the FV simply press and the FV of -$200.04 is displayed. I get $106.64 what is the problem. Please help me by showing me the mistake I have made. (read...)

Wiseman wrote on 30-Mar-2017, with regard to hp 10bII - Resetting.
I have tried many times to calculate time value of money it does'nt give the correct answer. (read...)

EUGENIO N. ASTILLO, JR. wrote on 29-Mar-2017, with regard to National Book Store, Philippines.
Good day. Ma'am/Sir, May I know how much is the price of the following books from Grade 7 to Grade 10 Junior High School. English Mathematics Science Filipino Araling Panlipunan Music and Arts PE and Health Edukasyon sa Pagpapakatao Thank you very much for your reply. (read...)

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?

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