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Calc-12E RPN Financial Calculator

By Stone Meadow Development LLC

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Description

5 Stars. “I can't tell you how often I use it, probably about as much as the phone app!"
- CharlieW, President. Waterman & Company (Real Estate Investment and Development)

“This is the first 12C type calculator for the itouch that has actually made me put down my real 12C. One of the best features of this calculator is the register display where you can see what is in FV, I, PV, PMT, etc. That alone makes it worth the $14.95 price. Consider the many other features that it has over and above the real 12C and you have one sweet program here. Best of the 12C emulators out there - hands down! “
- tsinvest

It started in early 2008 with a belief that:
• there was one and only one insanely great financial calculator
• the iPhone is the perfect platform to bring that calculator back to life
• it's not good enough to just copy the old, you have to make it better
• a financial calculator is a professional tool, not a game

From this mindset came Calc-12E, the first 12C emulator on the App Store. It was expensive back then ($20-$25) and compared to a game it still is because, well, you usually get what you pay for. Specifically:

Foremost, if the math isn't right in the corner cases I can't trust the calculator. Calc-12E's algorithms were written for iOS by a (the?) key member of the original 12C development team who incorporated his solutions to the quirks in financial computation that historically tripped up lesser implementations. There are reasons the 12C was the absolute best, and Calc-12E draws directly on that heritage.

While the original did what it could, 1980s technology made many features difficult, impractical or impossible to use. Calc-12E pioneered the following innovations to address shortcomings:
• you can always see what's in the financial registers (and stack if you choose) so you have instant assurance that you've entered your data correctly. This feature has been copied by nearly every emulator on the App Store, for good reason.
• visual cash flow editing radically eases how you deal with cash flows... believe it or not it is actually easy to manipulate cash flows with Calc-12E. There's a demo on YouTube, search for Calc12E.
• Investment mode allows you to simultaneously evaluate metrics on up to three cash flow scenarios at a time. You can compare cash flows side-by-side AND because of visual cash flow editing you can play what-if games
• the results of some calculations need to "leave the phone" to be useful. Amortization schedules, leasing terms, bond yields... everything can be sent via email using customizable templates

Finally, a professional tool receives continuing support and updates. It does not nag you to rate it, it does not invite you to pay to get more. It does not crash. Check out Calc-12E's version history and reviews of previous versions. This is a live, supported app with tens of thousands of long term customers and I have never charged for an upgrade or cloaked features behind ads or paywalls. It's not ethical at this level (in my humble opinion!).

When you buy Calc-12E you get my best (and evolving!) rendition of the most popular handheld calculator ever made. It's core (the math) comes from the same mind as your trusty original and to that foundation you get usability advances that actually enhance the overall tool.

What's New in Version 4.2.1

FIX: Removed experimental pop-up

Screenshots

iPhone Screenshot 1
iPhone Screenshot 2
iPhone Screenshot 3
iPhone Screenshot 4
iPhone Screenshot 5
iPad Screenshot 1
iPad Screenshot 2
iPad Screenshot 3
iPad Screenshot 4
iPad Screenshot 5

Customer Reviews

Outstanding

The best financial calc I have tried. Nice functionality, with the n, I, PV, PMT and FV shown all the time. The font shrinks to show more digits, if necessary. When you push a color function button, keys that you can press next are highlighted. These are features that are not possible with a physical calculator. I only wish that the iPad version, which I use on my iPad Mini, had a "full-screen" mode.

Portrait??

I have used an HP12C for many years and can't live with out it. I really don't like the portrait layout at all. I know you can just rotate it but it's slow, even on my iPhone5. Please add an option to turn this off in settings. I can't imagine anyone that uses a 12c all the time actually wanting portrait for any reason. Fix that and I give it 5 stars.

Wish I could turn

Off clicking noise

Calculator great don't need hp12c anymore

Can't figure out how to turn sound off (can on iPad)
No easy way to communicate with developer

Calc-12E RPN Financial Calculator
View in iTunes
This app is designed for both iPhone and iPad
  • $5.99
  • Category: Business
  • Updated:
  • Version: 4.2.1
  • Size: 20.1 MB
  • Languages: English, German, Portuguese, Spanish
  • Seller:

Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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