• 10bii Financial Calculator 1
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10bii Financial Calculator

In-App Upgrade: 10bii+ Features (Bonds, Breakeven, Depreciation, Trig, Probabilities) available!
Users love this app! Read what a couple of them have said:

"Amazing app! Wonderful for calculating investments and other financial decisions. Great response on suggestions. True In A Day Development."

"Hands down best financial calculator. No learning curve, works and looks just like the HP but better. Nexus One."

If you believe you are having any issues with your calculator, email us and we'll generally reply within the hour and can help resolve the issue. MONEY BACK GUARANTEE!

- Displays current N, I/YR, PV, PMT and FV values right above buttons
- Print or Save PDF Amortization Schedules
- Easily enter your Uneven Cashflows in a spreadsheet-like worksheet
- Video Tutorials in Help section
- Draws Cashflow Diagrams for simple TVM or complex Uneven Cashflows
- Saves Recent calculations so you can easily reload them
- Easy Mode allows everyone to get the financial answers you need!

The 10bii Financial Calculator is a versatile and powerful financial calculator which features more than 105 different functions for financial analysis, business, statistics, and general mathematics. Modeled after the extremely popular 10bII Financial Calculator by Hewlett Packard, the 10bii Financial Calculator combines precise mathematics, intuitive display, and ease-of-use in one compact package. It allows you to easily calculate loan payments, interest rates, amortization, time value of money, investment value, and more using a combination of powerful and intuitive equation-writing functionality and helpful worksheets.

By expanding on HP's traditional presentation, the 10bii Financial Calculator allows quick and intuitive building and visualization of TVM (Time Value of Money) calculations and Uneven Cash Flow scenarios and lets you type in whole equations for easy review and one-touch evaluation.

With the 10bii Financial Calculator, you can:

Calculate Time Value of Money (Length of Term, Present Value, Nominal Interest, Loan Payments, Future Value) and see the cash flow diagram produced for you via the Graph TVM key. Values for N, PV, I, PMT, and FV are displayed right above their keys for easy reference.

Easily enter Uneven Cash Flows, including rapid calculation of Net Present Value and Internal Rate of Return. A dedicated interface makes adding, editing, deleting, and reordering uneven cash flows a breeze.

Switch between Nominal and Effective interest rates with the simple touch of a button.

Enter and analyze statistical data points. Includes standard calculations such as standard deviation, mean, and linear regression forecasting.

Never has using a financial calculator been so easy or intuitive. The 10bii Financial Calculator is truly powerful enough for the professional but accessible enough for everyone. It is an ideal tool for teaching the power of compounding interest, analyzing potential deals or business ventures, or just doing math problems, and sharing the results of your work with others.

The 10bii app is the updated version of the 10b app. Also known as the 10b2.

Category : Finance

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Reviews (30)

All. L. Dec 15, 2021     

This is a nice app, however, recent update (December 12, 2021) crash unlocked 10bii++ purchase. Please fix. Note: Developers have immediately noticed the issue and are currently fixing it. This is a very advanced app which I like to use and use it daily. Edit: I have talked to developer Kenny Wyland several times. Ken seems like a good guy. I was a little bit upset because this is my favorite app, and I have all the Android calculator apps. I like the 10bii+ because the clicking sounds when you touched the keys are just right (the clicking sounds of the competitor calculators are a bit too soft, using a different tone, or no sound). The layout of the buttons and the background color are perfect, professionally desired. The algorithm behind the app is solid. These 2 aspects beat all the competitors. Thanks.

Stu. N. Apr 25, 2022     

Up until recently, I loved this app. The amotization payments are now incorrect. This seems to have changed sometime over the past couple of years (not sure when). Not sure what happened in the coding but DO NOT rely on the loan numbers being right. They are close but not correct.

Joe. N. W. Dec 14, 2021     

UPDATE: It's finally fixed and it's due to the help of the developer Kenny who not only took the time to contact me & help but followed up twice to give suggestions & help. Android 12 is temperamental so to have a developer stick behind you is awesome! This calculator is second to none & the only one I use for simple math to major problems. For me it's the best one on the market & well worth it. Thanks Kenny!

Mic. T. May 25, 2022     

This is an essential app for EVERY investor to have at your fingertips. I bought this app for every digital device I own. I use this app multiple times per day and love it! I wouldn't use any other financial calculator app.

Dav. B. Dec 15, 2021     

4.3.2 is the latest version of this app that Play Store has made available to me (using a Pixel 3 XL running Android 12), but installation fails. I have heard 4.3.3 has been released, but I am unable to see it in the Play Store. UPDATE: I was able to install the 4.3.6 update! Thank you.

Ton. C. Dec 15, 2021     

Update: newest version installed great and works perfect on Android 12. Thanks to dev to help google fix it. Best calculator app by far. Get it!

Nic. D. Dec 15, 2021     

This is a great financial app - there has been an issue with Google play the past couple of days that has been resolved - don't let this discourage you from using this app - I have been using this for years and once you get used to using it you won't be able to live without it - also, Kenny was a great help and very responsive during the issues with Google play

Joe. H. Feb 14, 2020     

Super solid calc, that actually shows all TVM values at the same time! If I'm nitpicking, I'd say the orange and blue alt-function fonts could be a bit larger _before_ toggling them on (LG G6). They're certainly huge _after_ toggling, but then I have to toggle both to read everything. Also some button skeuomorphism would rock. Maybe tint the bottom third of each button, for that HP look? Just a thought. Still, nice work!!

yel. j. Mar 31, 2020     

So far so good. I like how it is so far but at the same time you should tell people that they will have to make an additional purchase of $3.99 within the app to unlock the rest of the features (basically the rest of the blue buttons). This calculator is truly a 10bii + after you make the second purchase but it is actually a HP 10B when you first get it.

Joh. B. Apr 15, 2021     

Works just as it should and everything is arranged exactly as on the physical calculator. I was able to follow along in class no prob. Bought the app and paid extra to unlock all functions btw, but still way cheaper than ordering a standalone calculator.

Tom. M. Dec 13, 2021     

Great calc. Have used it on several phones. But now won't install on my Pixel 6 Pro. I'm sure that will get fixed. Cleared cache and restarted. Still getting the same message.

Den. R. Apr 24, 2022     

Great financial calculator! Essential for business! Works as expected!

N. M. Sep 16, 2021     

I remember I did some pretty good research on finding the best financial calculator app when I bought it for my MBA classes 5 years ago. I have been using it frequently ever since including in my personal life and it works incredibly well and is feature packed!

Jos. D. Jun 8, 2019     

not possible to choose whether I want to keep the screen on or not while the calculator is open. when the calculator is on the screen, the screen will remain on until it drains the battery. this app is a battery drainer... I don't like an app that drains my cell's battery with no option for me to decide how i want to use the app. I bought instead the 10BA PRO from "seritiga.pro" which has the option.

Joh. S. Oct 25, 2020     

This app is bewildering to me. I got this calculator so i can learn how to manage money. But the buttons have cryptic abbreviations - how can i find out what they all mean? I paid extra so I'd have every option available to me, such as Date calculations. I cant figure out how to use it, and I cant find any help in the app or on their website. This is just one of the many things on the calculator that I cant use because so much of it is unexplained. A manual or built-in help is needed!

ajc. Dec 31, 2020     

There appears to be an error in the calculation of a payment amount. N = 360, I = 12.75, PV = 227,500, PMT = 0, FV = 0. When I solve for PMT, your app shows a value of -2446.24, my real HP10bii the correct value of -2472.23. I emailed you 9 days ago, no response. I'm an early user from the beginning. Great app, it was correct before, I don't know when it went wrong.

Dom. P. Dec 14, 2021     

Was excellent but latest version will not update. Uninstalled and tried to reinstall and it won't install at all. Now I don't have this wonderful app anymore. Please fix the update.

Kho. H. L. Sep 9, 2019     

Love this app. It is now my default calculator. Love the display of register values of TMV function and the adjustable font size to fit the values into the display. Highly recommended.

D. M. Mar 24, 2021     

Same day response if you have trouble! This is the best financial calculator app ever! Buy the + version. You won't regret it. Thank you team! Maybe add different themes? Not a 'need' but people will definitely appreciate it. - Financial Advisor

A. G. u. Feb 23, 2019     

I have both 10bii on Android and iPhone. using Android v.4.1.1 (141) and iPhone v65. I have been getting different result between the devices. I have emailed them but never heard back. How do we know which one is most updated or correct?

J. A. Nov 25, 2020     

The easiest Financial calculator. I absolutely love it. What was confusing and intimidating. Is now simple to understand. Thank you great Job strongly recommend.

Eri. L. Nov 29, 2018     

Like the real calculator but would be great if you could change the icon to something more modern and the keys to look like actual keys

Pau. W. Jan 27, 2019     

I downloaded several paid financial calculators and this app was the only one that even got the calculations correct and they were correct every time! Great app!

Ind. D. Jun 9, 2021     

WTHeck Bought it struggled w Google play till 330am won't download just says refund or install. With each time I click install it wants to rebill. Account checked paid now no app and needed for all day RARE opportunity training told by 2 experts retiring soon to get. There's a free calculator they said could be alt this morning SMH. This could be a hit for hundreds of thousands when people have bad results everyone switches.

Mic. F. Jan 28, 2020     

I purchased this app and it always crashes on me. Im wondering why? I then try to reinstall the app and it takes forever to install? Does anyone have an idea why this happens??

Cat. W. Sep 17, 2018     

There is a bug in the cash flow for the Android app, it won't let me input a number into the initial cash flow box! A fix would be appreciated!

Geo. S. Feb 14, 2020     

I paid for app and tried to installed it and unable to retrieve app. something went wrong and unable to find contact to help resolve this issue.

Jas. H. Apr 27, 2021     

This all helped me greatly on figuring out my monthly payment and amortization schedule for my new home and my new car. An indispensable tool.

A. G. u. Mar 17, 2019     

This is the most perfect rendering of the HP 10bii on the Android Market. I love the amortization table. It makes checking amortization values so easy.

Mic. G. Dec 21, 2021     

Doesn't work on Android 12. Was my favourite app before this happened.