United States12Calc is a full version of the well known HP12C for the iPhone and iPad. It also includes an audit tape, unit converter, worksheets, rotated views, user guide and HD graphics optimized for iPad and iPhone retina displays. •Runs in 64 bit mode on the latest iOS release and new iPads and iPhones. •Calculations are highly accurate and blazing fast. No more "running" flashing displays for amortizations, depreciation schedules or interest calculations. Work as fast as you can type. •Audit Tape: The audit tape keeps a record of your calculations. You can review, mail, text, share or print the tape. •Unit Converter: Convert between a wide variety of common units and currencies. Currency rates can be downloaded from the internet. •Work Sheets with interactive graphs: Auto Purchase Black-Scholes Bond Break-even Cash Flow analysis Currency Date Depreciation Interest Conversion Lease Loan Amortization (includes option for Canadian mortgages) Margin&Markup Refinance Statistics Tip TVM •Views for all orientations: Portrait and landscape renderings of the full keyboard are provided for iPhone and iPad. The iPad version includes slide over and multiple split view displays as well as side-by-side display of the help page, audit tape, tvm mortgage table or program variables. •Built-in contextual help: Touch the ? key for a description of any keyboard function with examples of use. If you are just learning or can't remember how to use a function- just touch the ? key. Includes tutorials on how to use reverse Polish notation (RPN) and how to solve time value of money problems. •HD Graphics: Graphics optimized for both retina and standard resolution screens. Choose from multiple color schemes including gold, rose gold, brass, copper, silver and several color tints.
Excellent!
This is my most favorite app on my iPad.
United StatesFantastic calculator, problematic update
First of all, nothing beats 12Calc. There is no substitute unless you are using a real 12C, but then 12Calc has all the speed of your iPhone. The latest version, however, is problematic as the font is now white instead of black. Depending on your situation it can be very hard to see. I wish I did not upgrade so I could have kept the previous color scheme of black numbers on a lighter background. Update: Years later this app has been maintained and still works wonderfully. Thank you!
United StatesGreatest Calculator
Ernest Brock has done a phenomenal job with this App. I first downloaded a version of this years ago when it was offered free for a short time. Then (I believe) HP asked Ernie to make some changes. I was extremely worried when I updated my first iPhone, because I thought I would lose this App. But it kept on working. Finally with my iPhone 7, I finally broke down to repurchase the newer (and improved) version. If you are a fan of HP-12C calculator, then you will likely find this App very intuitive, and I won’t go into describing all the ways it can be used. But some of the novel features include: * Currency converter, and current currency values can be updated whenever you want. *. A “tape” feature, so that you can see what an adding machine tape would show if it were part of the HP-12C calculator. And although I don’t use it for much more than a basic calculator with financial and real estate (loan, mortgage, PV, etc) calculations as I did for years with my regular HP-12C, I can honestly say that I use this App ALL THE TIME, especially during tax season! Finally, over the years I have had 2-3 emails with Mr Brock, who has always been prompt, honest, and provided me with valuable tips and help. Just what you want with a developer. So, stop reading, and go buy the App! You will find it very worthwhile1 2020 is here and my earlier review still stands. Great App. Great support. Go get it!
United StatesAwesome!
If you are a fan of the old HP12 with RPN this is well worth the purchase. I use it on my iPhone and iPad and often comes in handy. . . Usually when I least expect it! Thanks
United StatesLove having 12 c on my iPhone
Works well
United StatesThis is IT!
I have been an HP-12 user since forever. This app emulates all the features in the original hardware unit while adding many additional functions including a host of conversions. I use almost daily and find it to be always stable, accurate and reliable, while surprising me every now and then with a new feature I discover. THIS is why we buy smartphones- everything you need, always at your side. Fabulous implementation of a wonderful product, only improved. Wonderful accomplishment!!!
United StatesFantastic app!
Better than the HP12c and the updates keep it current.
United States
Mar 29, 2024
•Update for iOS17 •Added iPhone orientation lock to settings •Fixed keyboard subtract
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