Rk_on_war wrote on 14-Jul-2018, with regard to Blaise Pascal - first digital calculating machine.
i think pascal invented the first mechanical calculator not digital. (read...)

Heide wrote on 13-Jul-2018, with regard to SM Supercenter Sucat - HP Calculators.
how can I contact your branch (read...)

Duane wrote on 12-Jul-2018, with regard to HP 41cx Emulator.
Is this emulator compatible with Windows 10? (read...)

In replying to TRAVERSE PRIME who on 07-Jun-2018 wrote: Is there a way to download programs like the old insert chips?

Anonymous wrote on 08-Jul-2018, with regard to hp 10bii - A home mortgage problem.
No, to PV, i.e. you can afford something worth 117,388.36 (read...)

In replying to Anonymous who on 03-Apr-2016 wrote: Wouldn't you apply -14,000 down payment towards fv?

M wrote on 06-Jul-2018, with regard to HP 10bII+.
Hey, I am trying calculate amortization for mortgage loans, all the steps seem right as I go along but my answers always come out short between 2-12 dollars short. (I have tried the test & resetting the calculator, and the max amount of decimals are set to avoid rounding) HERE'S AN EXAMPLE: $55,000 mortgage / interest rate/ 11%; amortization 25 years with monthly payments Here is what I am inputting..should the interest be put in differently I am wondering? 12 then orange shift then P/YR 25 then orange shift then xP/YR 11 then L/YR 55 000 then PV 0 ... (read...)

Jen Cluse wrote on 02-Jul-2018, with regard to HP Computer Algebra System.
Oh! Beautiful. Thank you! (read...)

John Habine wrote on 26-Jun-2018, with regard to hp 10bII - Seft Test.
On the screen thd figutes and letters does not appear completely (read...)

Oscar wrote on 21-Jun-2018, with regard to Sea Sound - Raffles Place.
I need calculator HP 8s (read...)

Riaan wrote on 21-Jun-2018, with regard to hp 35s - Entering a Program.
In reply to Riaan, who on 11-Feb-2018 wrote: I have a program installed on my 32s and when I installed the same program on the 35s it gave invalid data (read...)

In replying to Riaan who on 11-Feb-2018 wrote: I have a program installed on my 32s and when I installed the same program on the 35s it gave invalid data

Yeow Heng wrote on 20-Jun-2018, with regard to HP 9g.
Does anyone here know where I can get my HP 9g calculator LCD screen replaced? Some rows of pixels have become dead. (read...)

Chris Kirby wrote on 13-Jun-2018, with regard to MATH MAGIC, The Ultimate Math Challenge.
I have this game if you’re still interested. (read...)

In replying to Celine Chew who on 30-Aug-2017 wrote: can i know how to buy this game? i live in malaysia

Chris wrote on 09-Jun-2018, with regard to HP 50g.
Hi my HP 50 wont turn on at all. where can I get it fixed also where can I buy another one ? (read...)

Chris wrote on 09-Jun-2018, with regard to Buy HP Calc In Thailand.
I am looking for an HP 50G calculator (read...)

Arsh wrote on 08-Jun-2018, with regard to hp 10bII - Resetting.
my calculator is showing wrong answers. please resolve my problem its urgent. (read...)

TRAVERSE PRIME wrote on 07-Jun-2018, with regard to HP 41cx Emulator.
Is there a way to download programs like the old insert chips? (read...)

WILBER wrote on 31-May-2018, with regard to HP50g Calculator Connectivity Kit (CONNX4) also for HP48, HP49.
GRACIAS (read...)

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Keltan wrote on 31-May-2018, with regard to HP 39gs ROM Update.
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Silvano Bozzo wrote on 31-May-2018, with regard to HP Calc Probes.
Hi. Are the Fourier probes currentoly available ? How much is the related price ? Thanks for reply. Silvano Bozzo (read...)

Matt Face wrote on 25-May-2018, with regard to Abacus Simulator.
IDK and HEL NAW (read...)

In replying to Anonymous who on 11-Jan-2017 wrote: Who did this?😂😂

Anonymous wrote on 23-May-2018, with regard to HP 41cx Emulator.
Would love to have an HP41CV app for my Android tablet. (read...)

Dr^sRalph^U wrote on 21-May-2018, with regard to RPN Entry Mode.
PTL!:'I Am',[Ex3:14!]:DrRalph who,@65y.o., coming S7.1'18,since,maybe,'~'(Married!):Yet,[2Co1:10,NAS!]:'I Am':'The Last American Virgin', for Sure:w/o all those,'Bouncing Vans!'=Mobile Br's Da?[Ru]: Die sprache meiner Frau,die "Jana",aus Moscau,Russland! (read...)

In replying to Anonymous who on 14-Mar-2017 wrote: Jesus:THNX! !! !!!

Paul wrote on 17-May-2018, with regard to Getting Started.
How to change from chain mode to alg mode (read...)

Aoril wrote on 15-May-2018, with regard to hp 12c (platinum) - Resetting the Calculator.
Begin shows on my screen. How do I clear the begin? (read...)

Karabo wrote on 14-May-2018, with regard to hp 10bII - Resetting.
HP 10BII displays ICC when I switch it on. I have done key combo, money clip and coins to reset, still can’t use it. Please help (read...)

Pierre Montpetit wrote on 12-May-2018, with regard to Bowmar - First Electronic Calculator Made In USA.
I have a 901C which is not listed on this page or anywhere else. Any info about this? I have the case and instruction manual, all in excellent condition. Anyone interested in buying it. Made in Canada, serial # 40686. I do not have the charging wire. (read...)

Anonymous wrote on 11-May-2018, with regard to HP 10bII+.
ex2 has P/YR set to 12 and ex1 has P/YR set to 1. Hit 1, red shift, PMT. (read...)

In replying to Steve who on 19-Apr-2018 wrote: I have 2 identical HP 10b11 + calcs To do a simple calculation reveals a diff answer on both calculators; ex1) PV = -1000, I/YR = 10%, N = 1, PMT 0, FV? Answer: $1100 correct. ex 2)Same ques. as above...Ans: 1,008.33 ?? the 2nd answer represents only 1 month of yield vs 1 year. Stumped: What has to change on ex2

Emo Emu wrote on 10-May-2018, with regard to How to use an Abacus.
prucci be gucci (read...)

Emo Emu wrote on 10-May-2018, with regard to How to use an Abacus.
prucci be gucci (read...)

Ikegwuonu John Franklyn wrote on 09-May-2018, with regard to Kuala Lumpur HP Calculator Resellers.
Dear Sir INTRODUCTION We introduce our company I.J.FRANKLYN & ASSOCIATES LTD .28 OBAFEMI AWOLOWO WAY IKEJA LAGOS NIGERIA +2347088791233,08023116560,08060426316. We deal on general Goods and general contractor both Federal/local Government project Executive Interior Decorations, Furniture & Stationary . We write to cooperate with u on the above items. Thanks for ur cooperation Ikegwuonu John Franklyn For I.J.FRANKLYN & ASSOCIATES LTD (read...)

Anonymous wrote on 08-May-2018, with regard to Blaise Pascal - first digital calculating machine.
no u (read...)

In replying to ANONYMUS who on 20-Dec-2017 wrote: He really was. For more information, go on youtube and look at Mechanical Computers channel. It's really good.

Nokuthula wrote on 07-May-2018, with regard to NPV Problem on my new 10bII.
I m having a problem using the calculator its an app which I have bought similar to a calculator. all other calculations are correct but, when I keying in the cfj it takes me to the window where I suppose to key in cash flows. so where do I key in the CFj again after each cash flow because the calculator does not give me the option to go back to the first screen. It only allows me to key in the first cash flow once how do I go back to the window where I will key ... (read...)

Mufason wrote on 04-May-2018, with regard to hp 12c (platinum) - Resetting the Calculator.
How do I turn off the rpn on the screen (read...)

Sylvia wrote on 04-May-2018, with regard to HP10bii Troubleshooting.
Hi guys, when I am calculating the i/g my calculator is saying "no solution" (read...)

Anonymous wrote on 02-May-2018, with regard to HP 41cx Emulator.
To fix Exponent Display in Windows 10, Press Options, More Settings, Unclick TrueTypeFont (read...)

In replying to Henk Van Heerden who on 22-Apr-2014 wrote: Good day HP 41CX Emulator written by Warren Furlow. Release 7B. When I exit the V41 emulator the following message pops up. Unable to rename temporary file: V41TEMP.lod to HP-41CX.lod Kind regards Henk

Ralph Armstrong wrote on 28-Apr-2018, with regard to A quick note for new HP 10bii owner.
Were is the Iyr key? (read...)

Steve wrote on 19-Apr-2018, with regard to HP 10bII+.
I have 2 identical HP 10b11 + calcs To do a simple calculation reveals a diff answer on both calculators; ex1) PV = -1000, I/YR = 10%, N = 1, PMT 0, FV? Answer: $1100 correct. ex 2)Same ques. as above...Ans: 1,008.33 ?? the 2nd answer represents only 1 month of yield vs 1 year. Stumped: What has to change on ex2 (read...)

Anonymous wrote on 13-Apr-2018, with regard to hp 10bII - Resetting.
It works. Thank you. (read...)

In replying to Anonymous who on 09-Feb-2016 wrote: Hi! So i had the same problem with the factory setting of 10bii+. Its because its calculating as monthly instead of yearly. If you would like to change that press 1, red down shift, and p/yr (the pmt button). If you want to revert back to monthly, 12 periods per year, press 12 instead on 1 in the instruction above.

Anonymous wrote on 13-Apr-2018, with regard to hp 10bII - Resetting.
Thank you (read...)

In replying to Arsh who on 04-Feb-2018 wrote: Hi I am entering this sequence 1151.65 PMT 60 INPUT Ammort === it’s giving me 69,099.00 instead of 161,706.07

Anonymous wrote on 12-Apr-2018, with regard to HP 10bII+ Plus Keyboard Reference.
key strokes for 5 year 0 cash flows and 5 year the same cf (read...)

Amy wrote on 12-Apr-2018, with regard to hp 10bII - Tutorial Varying Cash Flows.
0 cash flow for 10 years, and then 250,000 per year for 25 years, find NPV, what is the key strokes for that. (read...)

Amy wrote on 12-Apr-2018, with regard to hp 10bII - Tutorial Varying Cash Flows.
getting rusty, how about the keys strokes for 10 years no payments and at 11 years, regular payment say, 50,000 a year for 25 years, find the NPV, need to know the key strokes (read...)

Anonymous wrote on 11-Apr-2018, with regard to What is TVM (Time Value of Money)?.
thanks for the tip on the p/yr default 12 (read...)

Tcj wrote on 08-Apr-2018, with regard to hp 10bII - Resetting.
can i know did you solve this problem? (read...)

In replying to Tshilidzi who on 04-Nov-2017 wrote: My calculator displays 3 zeros and the downward and upward sign on the screen. Thats all it displays, the bottons are not working. I tried everything in terms of resetting it nothing works help.

Anonymous wrote on 31-Mar-2018, with regard to HP Prime with StreamSmart 410.
How do I go about buying an HP data logger 410 with Fourier Sensors to connect to my HP Prime Calculator? (read...)

Amitay wrote on 29-Mar-2018, with regard to hp 33s - Resetting.
I followed instructions as described, with coins and paper clips. I do get the massage MEMORY CLEAR. than, pessing the C button will not affect. The masage is still there. Seems the C button in not reacting. What else can I do ? thanks! (read...)

Anonymous wrote on 28-Mar-2018, with regard to Blaise Pascal - first digital calculating machine.
sat here in my IT lesson at CMS and i absolutely adore this page! 11/10! woohoo! (read...)

Anonymous wrote on 23-Mar-2018, with regard to Blaise Pascal - first digital calculating machine.
Well with schools not letting students use calculators this invention has/will become useless (read...)

John wrote on 17-Mar-2018, with regard to Changing the HP10BII Periods per Year Setting.
Tnx this has assisted a lot (read...)

Ryuuzaki wrote on 14-Mar-2018, with regard to Changing the HP10BII Periods per Year Setting.
Thank you so much!!!! (read...)

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