Android :: Regular And Scientific Calculator?
Mar 31, 2010
I looked thru lots of calculator apps but they seemed to be either tip calculators or scientific ones. I'd like on that's just like the calculator i use at my desk. I know how to figure out what the tip amount would be so don't really want one that does only that. and the one that seems to be in my Droid doesn't have a % key, unless i've missed it. I just don't see the need to have 2 different kinds of calculators taking up space on my phone.
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Oct 4, 2010
I just realized that you get a scientific calculator when rotating the phone. I plugged in a few items and noticed the sine, cosine and probably other items are WRONG!
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Sep 17, 2010
I was using the calculator and set it down on the table. The screen went to landscape mode and gave more options for a scientific calculator.
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Feb 4, 2010
There has to be a better calculator out there, I mean CA MON! I am not looking for a scientific or some uber math calculus crazy calculator but I am looking for something that isn't so .
I mean we have a DROID! Why is this Calc so CRAPPY! Please tell me there is something out there, in the market, or even a 3rd party APK file.
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Nov 3, 2010
While in the stock, simple calculator, rotate to landscape mode and it converts to a featured scientific calculator.
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Jun 27, 2010
Today I hooked up the headphone outputs of my D.I. to my M-Audio Profire 2626 audio interface and sat down to do some semi-serious testing. I tested using 3 seconds of white noise (to test frequency response), a 20-second 20-20k sweep (to test phase coherence), and the Apples in Stereo's "Sunndal Song" (to test the ability to rock). Signal generation and MP3 conversion were done in an old version of Cool Edit Pro, and Incredible recordings and wave comparisons were done in Cubase 5. I was going to take screen caps and make a whole big thing about it, but, as an older and wiser man once said: I went into these tests being completely happy with the performance I'd got from the Incredible so far, and expecting it to pass with flying colors.
Sadly, I was just a little bit disappointed. Firstly, there appear to be major sample clock issues. "Sunndal Song" is 3:30. By the end of which there was a perceptible audio delay of roughly 35 milliseconds (the D.I. was playing back slightly more slowly than the source file). Meow, that may not sound like much, but trust me, it's an eternity. Oddly, I didn't hear any pitch-shifting occurring, and I have a really, really good ear for that kind of thing. So it's not a sample rate issue, just a clock issue. Obviously, no cell phones are going to have word clock sync or s/pdif output (and s/pdif output would have defeated the whole purpose, which was to test the DACs). I had not expected perfect sync from the Incredible;s DACs, but I had expected better results than I got.
Secondly, on every recording that I did, the Incredible appeared to be playing everything phase inverted. I switched cables and inputs on my interface, just in case either of those were faulty. Meow, this is not a huge issue, since it was phase-inverting both stereo channels at the same time. It's end-user transparent, but definitely not as it should be from a technical point of view. But what I was most concerned with was frequency response. The goal for any digital playback device is accuracy you want the music to be reproduced in the most faithful and accurate manner possible (with the highest, one might say, fidelity). In this area, the Incredible's measured results were pretty good. Here's a link to a screenshot (I don't want to risk the dreaded sidescroll and incur the wrath of the forum).
http://www.fornicorns.com/spectrum.jpg
The green lines on the bottom are the Incredible's measured audio output, the red lines on top are the source file. The Incredible does a pretty good job of both matching the subtle inflections of the original test file, and staying flat up to 20k, above which it drops off pretty quickly but that's fine, since a) that's all the frequency response that was advertised, b) no headphones can reproduce frequencies that high and c) no humans can hear them anyway. Which is why I'm at a loss to explain the very real difference in what the human ear hears from the Incredible when playing a song. I A/B'ed "Sunndal Song" repeatedly, and there are some very real and discernible differences between the Incredible's recorded playback and the source file. I used this song specifically because it's one that I had ripped from CD myself, so I know the files on the incredible and on my computer are identical. The low frequencies (bass to most of you), while it was certainly there, sounded almost compressed. Nothing was gone, but it certainly didn't seem to have the dynamic range (or "punch") that the source MP3 did. At some point, I may revisit this and do specific testing to see if there's any kind of bass compression algorithm built in to the D.I.
It would make sense for HTC to do this because loud, low frequencies with high fidelity would draw a significant amount of power from the battery. The midrange, while it didn't seem to be compressed, was definitely more pronounced and noticeable. The easiest explanation for this would be that HTC built in a mid-boost, but the white noise tests show this to be false. The high frequencies seemed to show the greatest fidelity, without any noticeable compression or attenuation, though the seemingly more pronounced mids tended to distract from them. The good news is that neither my ears nor the Profire saw anything even approaching clipping. The D.I.s audio output was actually very low, but it's designed to drive a pair of headphones, not function as a +4 dBu pro audio device. So I guess my subjective verdict is that, while the Incredible's DACs didn't perform as well as I'd hoped, it's nothing I am going to lose sleep over. It's still fine for riding my bike, plugging into the speakers at work to listen to Pandora, and everything I intended to use it for. Will it ever integrate into my live rig as a sample player? Probably not.
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Nov 19, 2012
rooting / unlocking the Oregon Scientific Meep tablet for kids?
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Dec 1, 2009
Does anybody have any good tip calculator application recommendations? I've been viewing the app postings and people seem to be talking about everything except this one group of applications.
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Apr 18, 2010
I did a few searches, and came up empty handed.I'm trying to find a decent financial calculator, similar to a BAII+ by TI.I want something that has at least a row of TVM buttons (n,i/y,npv,pv,fv,etc.) Also, it would be great to find something with a cash flow register.Is there anything like this out there? I know the official BAII+ is available to purchase for the iPhone, just wondering if something comparable is out there for my Eris (rooted, 2.1)
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Jun 1, 2010
I'd like to build the calculator2 app supplied with android as a starting point for some mods I'm thinking about. How can I build it in eclipse? In the android source I've found only the .java files, but not the .xml like manifest, main and so on.
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Nov 25, 2009
My favorite app on the iphone was this calculator. Does it exist? Id pay $20 for such an application on Android.
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Jan 8, 2010
Any1 know if there is a time calculator app for the android?
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Dec 16, 2009
I have a BB Storm, but no construction calculator app is not available for the BB OS. Is there one for Android? There is a product called Inchcalc for the iPhone inchCALC iphone application and of course the real thing by Construction Master Pro with Construction Master LT - Calculated Industries. I contacted inchcalc and a few other small developers about making a BB version as there were several people on the forums asking for it. Inchcalc's response was that "we feel the Apple OS is the future and are focused on that platform..." At any rate, I'm CERTAIN that I will be moving to an Android phone. (and smashing my Storm with hammer to create an art piece--I'll call it frustration in 3D) Having a construction calculator app on the phone would mean one less device to carry around.
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Jun 1, 2010
It helps, but still some parts are missing, i.e. R.java for example, or maybe I have done something wrong... which are the correct steps to get this program into eclipse?
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Oct 20, 2010
Can someone share with me where the % button is in the stock calculator app?
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Jun 18, 2010
I want to invoke the android calculator from within my app. I don't want to pass anything to it, just provide a quick launch button to it. Can anyone show me how or point me to an example of how to do this?
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Nov 14, 2009
I'm a big Jeopardy geek, and while I use a web-based app to figure out my score as I watch, I'd love to have an app for my phone. You may all point and laugh now.
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May 30, 2010
I'm trying to build a calculator layout using TableLayout, but the last two rows aren't aligning with the rest of the layout. Is there something wrong with my layout XML?
What I'm trying to do would be easier to accomplish in HTML (<td> with colspan or rowspan), so should I try converting this into a WebView?
Code is as follows: (Screenshot)
CODE:.......................
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Oct 31, 2010
I search a better calculator for my Desire.
The stock calculator calculates incorrect,
e.g. 100-99.9=0.0999999999
The new calculator should very easy to use (and calculate correctly).
Mathematical functions to show graphically would be nice
With these many, many calculators in the market it is hard to find the right.
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Sep 13, 2010
I am beginner in Android development. At the moment, I am working a calculator. I want to use GridView in button part, but i have one error:
Caused by:java.lang.IllegalArgumentException: can't have a viewTypeCount < 1
First i make class ButtonAdapter and implements ListAdapter. But i cant understand this error.
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May 29, 2010
In the stock calculator app, when you turn your phone sideways/landscape, a few additional useful functions will show up, i.e. sine, cosine, exponent... IMO, this makes it better than the calculator app found on the market since this one shows you the entire calculation that you're typing out, rather than each individual entry when you're using several functions in a row.
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Oct 19, 2010
I'm having an ocd fit over the calculator. Does anyone have the working stock calculator app?
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Sep 1, 2010
So, the moral of the story is "Don't use the native calculator to do your taxes". Open the standard calculator, and enter 49990-49602.62 (a simple subtraction problem) Then push the = sign. Handy-Calc (excellent App) does not do this.
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Jun 5, 2010
Anyone know a simple calculator app that has M+ and M- buttons? I cannot find one driving me crazy! I found one that has a "M" button but you need to press "+" or "-" to get that functionality. i am looking for an app with dedicated buttons.
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Jul 1, 2010
1.5 had a very functional and superior looking calculator compared to the very plain and basic functioning calculator in v2.1. I even believe it had a % key/function. Does that calculator exist in a .apk somewhere that I can put on my rooted phone? I don't want a scientific calculator but I would like a better one then the stock 2.1 I got with Damages 2.1 Rom.
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Mar 3, 2010
The calculator app that comes with the Android OS apparently has an error. I've confirmed this error with two other Moto Droids and one HTC Android phone. In the calculator app enter:
3322.72 - 3321.92 then = and the answer is .799999
The correct answer is .80. This may seem like a minor point (.000001 error) but the answer is still wrong! Basic arithmetic operations should be a no brainer.A Verizon service rep confirmed this error on the Droid and Eris phones he had in their call center.
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Aug 26, 2010
On my Nexus One and Incredible, you use the trackball and optical track pad, but the X doesn't have one. So how do you view calculation history on the X?
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Apr 26, 2010
Ok, I am looking for a calculator skin for my hero. Does anyone know where I can find any? The one I am really looking for is this one or one like it.
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Aug 16, 2010
how do i remove "market" and add the calculator? also - if i have 2 email accounts, how do i create 2 icons on the home page for each one?
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Jul 26, 2010
I have an iPhone 4g microsim...my phone should be in soon...how can I make a microsim fit a regular sim? Is there an adapter? Because the Galaxy S uses a regular size sim card and my iPhone 4 is microsize...
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