Peter Tong wrote on 28-Jun-2020, with regard to HP49G+ Firmware Version: 1.22 - 3.45.
Hi Jan. Thank you for writing. There was a configuration error on our web server. I have reset it and the download link is working now. Sorry about that. (read...)

In replying to Jan Verkade who on 28-Jun-2020 wrote: An attempt to download HP49+ firmware via the link on subject pages brings me to: [URL] www.educalc.net/images/1062484.imx Noting relevant to download there; please advise

Jan Verkade wrote on 28-Jun-2020, with regard to HP49G+ Firmware Version: 1.22 - 3.45.
An attempt to download HP49+ firmware via the link on subject pages brings me to: [URL] www.educalc.net/images/1062484.imx Noting relevant to download there; please advise (read...)

Sergio Torres wrote on 17-Jun-2020, with regard to HP 42S Emulator.
SUGGESTIONS You could make single keys (or f ENTER f keys): 1- to extend the size and capabilities of LCD emulated display to an equivalent mobile phone screen to expand the graphic mode; 2- to create a graphic image 5x7 (or something like this) in alpha register and connect it to character code 130-255 (dec) or 82-FF (Hex). Today we may be an expert programer to make simple applications in any device, in order to avoid losing time usually we don't have to spent. The MEM size now disponible in HP42S is enough to current engineering applications, we don't need ... (read...)

Sergio Torres wrote on 17-Jun-2020, with regard to HP 42S Emulator.
SUGGESTIONS You could make single keys (or f ENTER f keys): 1- to extend the size and capabilities of LCD emulated display to an equivalent mobile phone screen to expand the graphic mode; 2- to create a graphic image 5x7 (or something like this) in alpha register and connect it to character code 130-255 (dec) or 82-FF (Hex). Today we may be an expert programer to make simple applications in any device, in order to avoid losing time usually we don't have to spent. The MEM size now disponible in HP42S is enough to current engineering applications, we don't need ... (read...)

Anonymous wrote on 17-Jun-2020, with regard to HP 35s Emulator.
Back Key is very sensitive, clears ALL not just last digit (read...)

Jose @ngel wrote on 16-Jun-2020, with regard to HP 35s Emulator.
I have theHP 35s but it is broken and I want to install the emulator to continue using my programs. firstof all, Thanks (read...)

In replying to Zsolt_V who on 25-Nov-2013 wrote: I have an HP 35s calculator. Thank you for HP 35s emulator, that works fine !

Tim G. wrote on 15-Jun-2020, with regard to HP Solve.
I have used HP Solve for many years on my 17 B-II and 27S HP calculators. Does anyone know if there is an Android app that emulates HP Solve? (read...)

Ann wrote on 12-Jun-2020, with regard to HP Financial Calculators.
Hi, we have just bought HP 12C platinum financial calculator. May you advise where can we register for warranty? Thank you very much. Kind regards, Ann Chen (read...)

Anonymous wrote on 07-Jun-2020, with regard to HP 10bII+ Emulator.
Do try using Wineskin Winery (1.8.4) to launch the emulator. It works with MacOS (10.15) Catalina. Wineskin Winery is available at [URL] github.com/Gcenx/WineskinServer/tree/master/Winery (read...)

In replying to Ryan who on 07-Jun-2020 wrote: I've been using it to teach my students on my Mac with WineBottler. However, after the Catalina update, this program (32-bit) quit working. Is there any way I can use it for my teaching?

Ryan wrote on 07-Jun-2020, with regard to HP 10bII+ Emulator.
I've been using it to teach my students on my Mac with WineBottler. However, after the Catalina update, this program (32-bit) quit working. Is there any way I can use it for my teaching? (read...)

Anonymous wrote on 04-Jun-2020, with regard to HP50G Firmware Version: 2.15 - 4.02 Build 0106.
mno hay nada (read...)

Anonymous wrote on 03-Jun-2020, with regard to hp 10bII - Resetting.
Hi, check this link... [URL] www.educalc.net/1815086.page most tutorial assumes that the calculator was set to 1 Period/Yr. (read...)

In replying to Asanda who on 03-Jun-2020 wrote: Just bought this calculator and gives wrong answers plz help am busy with exams

Asanda wrote on 03-Jun-2020, with regard to hp 10bII - Resetting.
Just bought this calculator and gives wrong answers plz help am busy with exams (read...)

Anonymous wrote on 01-Jun-2020, with regard to HP 50g.
Hi, I don't think so. You can try to format on a PC in FAT but probably can support up to 2GB. Good luck. (read...)

In replying to Oss who on 31-May-2020 wrote: If I create 2 or more partitions of 1GB from an 8GB SDXC, is it see more memory?

Oss wrote on 31-May-2020, with regard to HP 50g.
If I create 2 or more partitions of 1GB from an 8GB SDXC, is it see more memory? (read...)

Klaus S wrote on 29-May-2020, with regard to HP 41cx Emulator.
simply thank you (read...)

Peter wrote on 26-May-2020, with regard to HP 10bII+ Emulator.
Oops, the tertiary download was down. It should be ok now. (read...)

In replying to Andrzej Fesnak who on 24-May-2020 wrote: Why I can't download hp10BII Plus emulator?

Andrzej Fesnak wrote on 24-May-2020, with regard to HP 10bII+ Emulator.
Why I can't download hp10BII Plus emulator? (read...)

Anonymous wrote on 23-May-2020, with regard to What is TVM (Time Value of Money)?.
The HP 10bII default to 12 P/Yr after it has been reset. Most examples assume that the calculator is set to 1P/Yr. Alternatively, you can do a quick test of the calculator by following the instructions found here... [URL] www.educalc.net/1923483.page (read...)

In replying to Joyce who on 22-May-2020 wrote: I have had my HP 10bII calculator for about 3 months - at first it gave me the correct solutions for my mortgage calculations but all of a sudden, the results are off by at least 20 to 100 points so I cannot get the correct answer. I am going for an exam soon. Is something wrong with the calculator. Every answer is wrong. I am following the same formula using the 12 as a default as instructed. I have reset the calculator twice and still get the same problem.

Joyce wrote on 22-May-2020, with regard to What is TVM (Time Value of Money)?.
I have had my HP 10bII calculator for about 3 months - at first it gave me the correct solutions for my mortgage calculations but all of a sudden, the results are off by at least 20 to 100 points so I cannot get the correct answer. I am going for an exam soon. Is something wrong with the calculator. Every answer is wrong. I am following the same formula using the 12 as a default as instructed. I have reset the calculator twice and still get the same problem. (read...)

Real G wrote on 20-May-2020, with regard to HP 35s.
where to get this HP35s calc in 2020, are there online sellers? (read...)

Peter Tong wrote on 09-May-2020, with regard to HP Prime.
Hi Pedro, thank you for your interest in HP Calculators. You can purchase it online from our authorised reseller at www.eldus.com (read...)

In replying to Pedro who on 09-May-2020 wrote: Hi, just want to ask where to buy this calculator? Thanks

Pedro wrote on 09-May-2020, with regard to HP Prime.
Hi, just want to ask where to buy this calculator? Thanks (read...)

John L. wrote on 30-Apr-2020, with regard to Where can I find replacement batteries for my calc?.
I have a 45 year old SR 50 calculator. Where can I find a battery pack for it? (read...)

Alfred wrote on 24-Apr-2020, with regard to HP Scientific Calculators.
I have been using HP calculators for 60 years and would use nothing but RPN input - recommend that school children are introduced to RPN at their first calculator rather than wait till high school or later. (read...)

Rajput wrote on 08-Apr-2020, with regard to Tutorial for Users.
Hi, I have 48g with bad display. Can you replace the LCD? Please advise approx cost. (read...)

Anonymous wrote on 24-Mar-2020, with regard to Bowmar - First Electronic Calculator Made In USA.
Did u know my dad Jim feeney (read...)

In replying to Robert who on 27-Nov-2018 wrote: I worked at Bowmar/Ali in Acton Mass., we also made a wire distance measuring device for the phone company and a stable (Mil spec) electronic device for the Sargent York weapons platform...

Anonymous wrote on 24-Mar-2020, with regard to HP 11c Quick Reference.
Hola buenos dias, Yo me quedo en casa (read...)

Anonymous wrote on 22-Mar-2020, with regard to HP Scientific Calculators.
A caterpillar is currently valued at Ghȼ70,350.00. If it loses 12% of its value at the beginning of each year, find its value after three and half years. ii. Find the depreciation after 3 years. (read...)

Chuckie wrote on 15-Mar-2020, with regard to hp 10bII - Resetting.
HP10b//displays C00 (or maybe it is 000) when turned ON plus first digit on left does not display when I use it. What can fix this please? I have reset with paper clip, hole between batteries, I have held ON, N, FV yet neither has worked. Is this unit repairable or not? CNG90232240 (read...)

What Did They Do In The 1995 wrote on 13-Mar-2020, with regard to Charles Babbage .
How fast where the computers that they had and how good was there WiFi cause i hope that it was really good so yeah that is good. (read...)

What Did They Do In The 1995 wrote on 13-Mar-2020, with regard to Charles Babbage .
How fast where the computers that they had and how good was there WiFi cause i hope that it was really good so yeah that is good. (read...)

Amrinder wrote on 11-Mar-2020, with regard to Changing the HP10BII Periods per Year Setting.
how to calculate bi-weekly payments? (read...)

Sipho wrote on 09-Mar-2020, with regard to Changing the HP10BII Periods per Year Setting.
My calculator HPbII+ seems to have an internal memory problem, even though I set it to 2 pmts per year, it only calculates as if it is only set to 1, basically it refuses to calculate over 1 payment, even though I have set the payment up. Has anyone encountered this before? (read...)

Anonymous wrote on 09-Mar-2020, with regard to hp 10bII - Resetting.
If it is an old calculator, it could be the batteries. (read...)

In replying to Anonymous who on 09-Mar-2020 wrote: My calcuater does not switch on, i tried resetting but nothing. What could be the problem?

Anonymous wrote on 09-Mar-2020, with regard to hp 10bII - Resetting.
My calcuater does not switch on, i tried resetting but nothing. What could be the problem? (read...)

Karen wrote on 08-Mar-2020, with regard to RPN Entry Mode.
We’re can I fine the 19BII (read...)

Karen wrote on 08-Mar-2020, with regard to RPN Entry Mode.
We’re can I fine the 19BII (read...)

Karen wrote on 08-Mar-2020, with regard to RPN Entry Mode.
We’re can I fine the 19BII (read...)

Anonymous wrote on 04-Mar-2020, with regard to Difference Between HP 10bII and HP 10bII+ Plus.
How do you work out the presents value and future value on the hp 10bii+ calculate? Please help! Thank you. (read...)

Harry wrote on 21-Feb-2020, with regard to Sea Sound - Raffles Place.
I need to buy an HP42S scientific calculator, please let me know where i can buy. Thanks Harry (read...)

Glenn Zorpette wrote on 13-Feb-2020, with regard to Bowmar - First Electronic Calculator Made In USA.
I am executive editor of IEEE Spectrum, and I am planning an article on the Bowmar 901B calculator. I would love to hear your recollections. I can be contacted at g.zorpette@ieee.org (read...)

In replying to Robert who on 27-Nov-2018 wrote: I worked at Bowmar/Ali in Acton Mass., we also made a wire distance measuring device for the phone company and a stable (Mil spec) electronic device for the Sargent York weapons platform...

Cliff wrote on 11-Feb-2020, with regard to Malaysia HP Calculator Distributor.
Do you sell the HP Prime graphing calculator (read...)

Brickpool wrote on 10-Feb-2020, with regard to HP 35s Emulator.
This Emulator works also under macOS with WINE. Thank you for sharing HP 35s emulator. (read...)

Dirk wrote on 29-Dec-2019, with regard to HP 41cx Emulator.
Hi, I really *love* this great piece of software, enabling me -- an older electrical engineer -- to still use the favorite calculator of my students days! However, I wonder if there is any change to also add the great MATH module I had for my real HP41C in those days. Maybe you can advise. As I still have the working original HP41C + module "MATH I"; if you need any further info I can assist with, please let me know. Many thanks, Dirk (read...)

Anonymous wrote on 08-Dec-2019, with regard to Changing the HP10BII Display.
Try switching the calculator to 1 P/YR. See [URL] www.educalc.net/1815086.page (read...)

In replying to Christina who on 08-Dec-2019 wrote: Getting wrong answers for everything, from text book examples. Following instructions exactly. SOS..have exam tomorrow morning. Have reset as well! Thanx in advance.

Christina wrote on 08-Dec-2019, with regard to Changing the HP10BII Display.
Getting wrong answers for everything, from text book examples. Following instructions exactly. SOS..have exam tomorrow morning. Have reset as well! Thanx in advance. (read...)

C.R. wrote on 06-Dec-2019, with regard to HP 12c Gold.
Are new HP-12C gold calculators made in the United States or China. I have heard of problems with newer ones made in China. I have had a HP-12C gold since 1984 and has worked well until a year ago when keys started entering same digit twice. (read...)

Anonymous wrote on 03-Dec-2019, with regard to Leonardo da Vinci - first conceived mechanical calculator .
I know right. I can't believe he had time to do all this. (read...)

In replying to Anonymous who on 08-Sep-2019 wrote: Its so wonderful that Leonardo had time to design this.

Celine wrote on 29-Nov-2019, with regard to HP 41cx Emulator.
Thanks! (read...)

In replying to Timothy who on 28-Nov-2019 wrote: SF 28 (set flag 28)

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