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NoteCalc is a new approach to the classic scientific calculator.

It shows your complete calculation formula just in the way you would write it on a notepad. NoteCalc allows you to alter any values or functions in your calculation at any time.

Accidentally entered a wrong value? Put a 'sin' where a 'cos' was supposed to be? With a classic calculator you have to start over again. With NoteCalc, just tap the value or function in your calculation formula and correct it. It's as simple as that.

In addition, each of your calculations can be given a name and saved for later usage. So if you have to do the same kind of calculation over and over again, NoteCalc will be a real time saver.

NoteCalc includes the following features:

- Displays the calculation formula and its result at the same time

- Change any entered values or functions at any time

- Solve a calculation by entering a target value for the result

- Recall the last result and insert it into your calculation

- 4 variables to store constants, results, or other values

- Save an unlimited number of your calculations for later usage

- Enter a comment for each value in order to reuse your saved calculation easily

- No need to put multiplication signs in expressions like 2(6π+1)

- Up to 20 levels of parentheses

- Accurate 15 digits

- 3 different button designs

- 2 font sizes for displaying your calculation

For a detailed example of use please visit:


iPhone Screenshots

NoteCalc iPhone Screenshot 1
NoteCalc iPhone Screenshot 2

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Rated 5/5 based on 3 customer reviews.


5/5 stars


...and wait until you try it in solver mode (key with "?")..! You state the expected result and find out what the predetermined value is. You can also name each of your numbers as variables (no more than two letters, three would really be nice). Best app for scientists and engineers. Thanks!

5/5 stars

Gear calculator app

I have been waiting for an app that worked like my old TI-68. Simple, powerful and efficient. Notecalc is a great calculator solution. The recently added clear button is a great add.

5/5 stars

Wishing for portrait mode

I've been looking for something like this, where I can correct past entries. It does take some getting used to not having an equals key, but it works. I'm also not used to the placement locations of the +, -, x, divide signs, and would prefer if it were a more standard layout. My main request right now is to have a portrait mode too. (If there's not enough space, then at least portrait mode for a "regular" calculator with fewer buttons.)

Oh, I realized one problem with this calculator is that the delete key deletes right away ... A more useful function would be a left arrow button and a separate clear/delete button (of course coupled with a right arrow button). This way we can amend specific numbers or symbols rather than deleting everything we typed.


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The information may be outdated (2011-04-30 15:57:09). For actual information go to iTunes

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NoteCalc HD is a new approach to the classic scientific calculator.It shows your complete calculation formula just in the way you would write it on a notepad. NoteCalc allows you to alter any values or functions in your calculation at any time.Accidentally entered a wrong value? Put a 'sin'… more

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