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https://android.stackexchange.com/questions/123815/how-to-calculate-arcsine-with-standard-adroid-calculator-4-4-2

I am not looking for mathematical formula but some kind of combination how to count arcsine. I found a way, but I feel that it must exist some easier way, some kind of combination which let a user to obtain the result much faster, so this problem is not a question about numerical methods but using built-in application ( and are in the list). I've asked the crew for help but the only answer was :

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So can anybody help with this simple problem?

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    "How to use the limited set of operations provided by a particular app to calculate arcsin" is a math question. Everything you just described is about math. If you want a calculator app with more operations then you should use one.
    – Matthew Read Mod
    Commented Sep 22, 2015 at 22:39
  • @MatthewRead no Matthew you are mistaken. My question was at last bit unclear - anyway the users were able to answer it, isn't it nice?
    – Darius
    Commented Sep 23, 2015 at 14:49

1 Answer 1

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As already mentioned on Matthew's comment,

"How to use the limited set of operations provided by a particular app to calculate arcsin" is a math question. Everything you just described is about math. If you want a calculator app with more operations then you should use one.

Basically, the issues are:

  • You can't find arcsine function in stock calculator
  • You know the alternative way to calculate it, but you want the simpler one

The first question is a legit question and actually answerable (answer: there's no operator to do that, install 3rd-party calculator instead).

However, you dragged our attention to the second question, which is unclear and off-topic:

  • Unclear, because you don't explain what do you mean by "a simpler way" (do you want the formula? Or setting a macro to calculate that? Or what? What is the device model and available operators in your calculator?).
  • Off-topic, if you really meant to ask the math formula (we are not the specialists in maths, did you mean to ask it on Mathematics.SE instead?).
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  • "...What is the device model and available operators in your calculator?..." - I would gladly make a screen and show it but I don't know how, so I can tell that the only data about aforementioned built-in calculator is: Calculator version 4.4.2-v5B5K-0 , my device is "Orange Rise 30" , alias "Alcatel Pixi 3 (4)" with Android 4.4.2 KitKat. The answer to my question is that the operator arc sine is not a part of the application, but its very strange for me.I meet such a situation first in my life , if we are talking about built-in application like calculator.
    – Darius
    Commented Sep 23, 2015 at 14:41

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