- 70.6LEGITIMACY SCORE
- 72.6SAFETY SCORE
- 4+CONTENT RATING
- $5.99PRICE
15C Pro Scientific Calculator App User Positive Comments 2024
15C Pro Scientific Calculator app received 57 positive comments and reviews by users. Can you share your positive thoughts about 15c pro scientific calculator?
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15C Pro Scientific Calculator for Positive User Reviews
✓ Works like the old fashioned RPN calcIt even has the sound like an hp calc when you press the keys. Well executed app..Version: 2.3
✓ A great calculatorSeriously cool, seriously geek, and seriously fun. I used the original HP15c and loved it. This is a good clone..Version: 1.85
✓ CalculatorExcellent response good and feels like my old HP calculator I think it was HP10. Connor think of an improvement..Version: 1.83
✓ Please add Programs Storage/RetrievalThis is the best HP 15C emulator. Behaves and feels just like the real one. Anyhow, taking advantage this is an emulator and considering the original 15C could not store/save programs (i.e. you have to retype a full program each time you switch programs)l, PLEASE add programs storage/retrieval capability! This is a must..Version: 2.3
✓ Maybe add HapticI really like this calculator. It would be nice to have haptic feedback upon key press. This would help knowing that a number is pressed and not double pressed.Version: 2.3
✓ No longer works with latest iosLove this app but iit quit working when I downloaded the latest ios..Version: 1.89
✓ Favorite 15C EmulatorHave been using for years, it is my favorite 15C Emulator for iOS. Was disappointed when it stopped working entirely after an iOS 13 update. Tried some other emulators again but none are as good as this one was. Thanking the developers for their ongoing development and making a bug fix for this to work again in iOS 13. Salute!!!.Version: 2.0
✓ Great appI have an original HP 15C but when I need a decent calculator, I tend to use this app rather than dig it out and load the batteries. This does a fine job. I like the optional vertical format for quick calcs . Nice job. Thanks..Version: 1.89
✓ They Finally Fixed itIt stopped working beginning with ios13. Couldn’t find a better 15C emulator in the meanwhile. Some of the alternatives had reviews indicating wrong results, so I went to the Apple calculator. Low and behold, after many months Vicinno INC caught up with revisions. Damage already done to their star rating though..Version: 2.3
✓ IOS 13 bug fix is here!!I have no doubt all your users are pleased to see this 😀.Version: 2.0
✓ WonderfulThe moment I saw this I was so happy I love my 15-c and I love this app it's perfect!.Version: 1.84
✓ Just like collegeThe HP 15C got me through four years of computer science, physics and electrical engineering. This is the same and it’s programmable just like the 15C. Cool beans..Version: 2.3
✓ Next Best ThingThis is a excellent recreation of the greatest calculator ever made. If I can go back in time I would have a stockpile of HP-15C’s. Since I cannot, this clearly the next best thing. Love this app..Version: 1.89
✓ I love slide rules too!I think RPN is great. I've missed it since my HP calculator died. Is there an operator's manual to help me get more out of this?.Version: 1.88
✓ Either I use this one or the real 15CThis app is great works just as expected. I love my HP 15Cs. Started using the 15 see you about 25 years ago. I still have it and often use it. The nice thing about this app is I have my 15 C wherever I go. I’m so glad they created this app.Version: 2.3
✓ One fix left that I can seeIf started in landscape mode with home button to the right the app opens in the wrong direction Screen this way -> App is /\ this | way |.Version: 2.3
✓ Great App!I so missed this app when IOS was upgraded a year or more ago. So glad you have now fixed the “bug” as it now runs beautifully again! It almost feels like my favorite calculator did all those years ago! Thanks again! Highly recommended..Version: 2.3
✓ Reliable through four years of useSame as college days. Reverse Polish notation is the best. If you loved the device, this app is for you..Version: 2.3
✓ Works exactly like my hardware 15CThis is a great app that works like my hardware version. I used the 15C long before this app existed but find I now log more time on this iPad version. I recommend this app without hesitation..Version: 2.3
✓ Great emulator!Try this on your calculator: (-.5!) then hit <Enter> or "=". The flashing display means the calculator is executing the wrong algorithm. It should evaluate to the sq. rt. of π. This app has the fine details that made the HP15C a classic. I knocked off one star just because the latest update tends to lock up the first time it's opened. Just restart..Version: 1.89
✓ Works Now With iOS v13.3.1!This is a phenomenal app, and it has just now been updated for iOS 13...bravo! Reverse Polish Notation 4ever!.Version: 2.3
✓ Great ToolWorks just as good as the original. And as long as I have my phone it is with me and ready to go!.Version: 2.3
✓ RPN Calculators Are ExcellentI am building a collection of classic HP calculators in iOS format. They remain very powerful and very useful. I switch between a 12 for NPV calcs to a 15 for scientific, and I really like the 41C with "printer" on iPad. For those who have rated this calculator 1 star, I suggest they get the manuals for these advanced, Reverse Polish Notation calculators from the Internet..Version: 1.83
✓ HP-15C worlds best calculatorThis app won my day ! I have missed this calculator over a year. Since my 15C bought in 1983 died last year. Works just like my actual calculator did. Thank you for creating this app. It will be most used app on my iPhone 5S.Version: 1.89
✓ Works for meAs is the case with many others, I switched because my old 15C emulator stopped working after an iOS upgrade. This one works for me just fine. I’m very grateful to the developer for keeping the 15C alive..Version: 2.3
✓ HP 15 C emulatorI still treasure my 15C from the mid-1980s and now I can have it on my iPhone. I still have my HP manual with the programs for TVM. Simple to program the 100 or so lines into this app and the 15C is also a 12C! Excellent app!.Version: 1.89
✓ HP15CGreat calculator. Have always used HP RPL calculators. Only issue I experience is the app only comes up after several tries. Otherwise I’d have given 5 stars..Version: 1.89
✓ It's 1984 again!I was an engineering grad student back then. Loved the 15C then and still do. I still have my 15C and documents! Fully operational. But I use the app more than the physical calculator. Great job!.Version: 1.89
✓ HP 15CVery satisfied, just wish I had the real calculator for my collection..Version: 2.3
✓ Faithful Emulation of the Real ThingAfter running a number of comparisons between this emulator and a real HP-15C, I am impressed by the faithfulness of the emulation. The program must be using the physical calculator's actual ROM. Well done..Version: 1.87
✓ Just like the real thingI have an hp 11c and this is basically the same although without the tactile buttons. But it does have integral and zero solving which is great for my physics class!.Version: 1.89
✓ Just like daddy'sActually, just like the one I packed to work at LLNL for much of my carrier. I still have a couple of them, but this one is just handier. Except for the slight wobble of the keys, this one is identical..Version: 1.89
✓ I use this app everydayOne of my all-time favorite apps. I owned the physical calculator back in the day, and now I have it back again. People like me, who use calculators daily, will greatly appreciate this app..Version: 1.89
✓ FixedThis app has been dead on my iPhone for a long time... I never deleted it because I was so hopeful that the maker would fix the bugs after the iOS updates some time ago. Thank you for fixing it, it’s my favorite HP emulator and works great again..Version: 2.0
✓ My 11C finally crashedI’m so relieved that I can now have my scientific reverse Polish calculator on my phone. So far I’ve not found any problems, it seems familiar like the physical version and I’m very happy..Version: 2.3
✓ Finally fixed bugsDidn’t work for iPhone X. So annoying. Finally fixed the bug and working great now. Thank you for updating. I was despairing that it would never be fixed after silence for nearly 3 years..Version: 2.3
✓ Great appMy 10c was stolen a year ago, and I miss it lots. This app brings it all back - I love it!.Version: 1.81
✓ Great work!I loved using my old HP15c and this is a brilliant emulation of it. Every feature I have used so far works perfectly!.Version: 1.85
✓ Latest upgrade,Finally got it back on my IPad and iPhone. Use it daily in addition to my HP45. Thanks for upgrading the app..Version: 2.3
✓ Happy daysLove this app. Brings back fond memories of being in e-school in the 1980s. I spent more time with my 15C than with humans. Great app that recreates all its functionality. Now if only they could get that nice firm click feel when I hit the buttons..Version: 1.89
✓ Mr RPNThis app works just like it should. It used to be that when someone pulled out their 15C in a meeting I suddenly knew they were a compatriot! But five years ago my beloved calculator stopped working, and I even talked to my HP Rep about getting another (after denial cane bargaining) but he assured me they were a thing of the past even for HP employees. Thank goodness they live on in smart phones!.Version: 2.3
✓ Worked till iOS 13Great calculator app, just like the real calculator. However, in iOS 13, it crashes when you start it up, so until an update is released, it is broken. Please fix!.Version: 1.89
✓ App is awesomeFantastic app. Can of paint poured in my trusty 15C and killed it. Suffered for a few yrs till this app came along and saved my sanity. Used it sense it first came out. Once you go reverse polish there's no going back. Thanks..Version: 1.89
✓ Great HP15C EmulatorBefore you buy this app ensure you do research and understand the features, complexities and limitations of the HP15C. This emulator is a faithful rendition of the good old vintage HP15C advanced scientific calculator. Those of us who own or have owned the HP15C will appreciate the convenience of having this on the iPhone as a replacement or backup. Recommended..Version: 2.3
✓ Sweet!Loved my HP15C when I was a tech at LLNL. Had a program for everything you can think of. Thank goodness for RPN. To this day, I can't get through a calculation involving more than 2 numbers with a standard "equal sign" calculator. Well done! Update—crashes upon opening with iOS 13. Bummer!.Version: 1.89
✓ Perfect simulationIf I have not got my original HP-15C with me this app is a perfect replacement. I reported an issue a couple of months ago where the app would open on my iPhone and then vanish. As of yesterday the latest update fixes this. A developer that listens! Thanks for a great app, worth every penny..Version: 2.0
✓ WonderfulInverse Polish notation is far faster way to do calculations. A perfect alternative to using my genuine HP15C from the late eighties.Version: 2.3
✓ Best 15C app out thereAs well as being affordable, this app seems to properly save the state of the calculator, including programs and registers, when the program is stopped or the IPhone rebooted. The free app and HP’s overpriced official version do not, a disqualifying flaw. Who wants to re-enter their programs whenever their device reboots? No flashing display after running a program, a silly uncorrected bug in HP’s app. Plus, this one has a well-done portrait mode and an excellent help that includes the full manual. The key clicks sound good and are switchable from within the app. Haptic feedback capability would be nice. Programs seem to run somewhat slower, but that may be eye candy so the “running” display can be displayed for a second or two during program execution. Feels much like the original. Love it..Version: 2.3
✓ Stuck in RAD?G DEG 60 COS I get -.95, the RAD answer. But RAD is not on the display. What am I doing wrong? How do I get to degrees? g DEG does not seem to work. This is my only known question on my beloved 15C app. Thank you!!.Version: 2.3
✓ Works Great...Control Center Coming?Now my iPhone is complete! Now if I could only add it to the Control Center life world peace would be achieved!.Version: 2.3
✓ It just works - again!I write a review a while ago, that this just works, and that’s exactly perfect. This is a great emulation of the venerable hp15c. For quite a while, it would not launch - it would crash on launch. But all is well now. I had several programs I had put into it a while ago, and they are still there and working well!.Version: 2.3
✓ HP 15C AppNot having used the original calculator I cannot comment on whether it simulates exactly, but it certainly does all the calculations that are in the manual perfectly. I suggest however that you download the manual free from the web and read in larger type or print off.Version: 1.89
✓ Five Stars AgainAfter the app had stopped to work a while ago due to an iOS update, the developers finally delivered a version that work ms again on the latest release of iOS. This is the 2nd best calculator - the best bring my real HP 15C. If you know how to use the original calculator, you will be able to use this app as well. It behaves just like the real deal. To the developers: Please make sure that the app keeps on working through any future operating system updates..Version: 2.3
✓ Great calculatorI've been using this calculator on for quite some time now and I find it great. Works equally well on the iPhone. Highly recommended.Version: 1.87
✓ Great simulation of a great calculatorHave owned an HP-15C since 1983 during engineering school. Still have it and use it regularly, but when I don't have it with me this is the next best thing. Everything but the feel of those worn keys. Great ap!.Version: 1.89
✓ If you like the original HP calculator, you will love thisI use this more than anything else on my phone. The app functions beautifully..Version: 1.89
✓ 64-Bit Support?This is my go to portable calculator, I own an old HP-45 & 15C but no battery for either so I relied on SCI-15c which was discontinued and went with Vicinno 15c which was updated for iPhone 6 screen. Used it a lot lately to modify a redesign analog FSK modem (along with Excel) and would be lost without it. I hope Vicinno plans to update to 64-bit for iOS 11 or I will have to buy HP app which will be the third time I have purchased. Thank you for keeping HP-15c alive!.Version: 1.89
😕 15C Pro Scientific Calculator Negative Reviews
