f(x) Keyboard

The Scientific Calculator Keyboard consists of three different keyboards. You can switch between the keyboards by selecting the one you want to use. The second keyboard is the keyboard. Here you can select keys for further mathematical functions as well as for statistics.
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The Keys

Put in a number in degrees, minutes and seconds and get it returned in decimal (e.g. 15°20'12'' = 15.33667°)
Inverse functions of the trigonometric functions sin, cos and tan
Exponentiation with the base e or 10
Calculate any root of a number
Returns a random number between 0 and 1 (e.g. random() = 0.8607)

Arithmetic mean of elements (e.g. mean(1, 2, 3, 4, 5, 6) = 3.5)
Sample standard deviation (e.g. stdev(1, 2, 3) = 1)
Population standard deviation (e.g. stdevp(1, 2, 3) = 0.8165)
Number of possible permutations without repetition of r elements out of a list of n elements (e.g. nPr(10, 2))
  Number of possible combinations without repetition of r elements out of a list of n elements (e.g. nCr(10, 2))
 Factorial (e.g. 5! = 120)
  Absolute value (e.g. abs(-3) = 3)
 Round a number (e.g. round(3.62) = 4 or round(3.4528, 3) = 3.453)
  Mean absolute deviation (e.g. mad(1, 2, 3) = 0.66667)
 Move left or right inside the Input Bar
  Enter your calculation and get a result

Try it yourself…

Type in the following calculations and check the results with the image below.
  1. Calculate .
  2. Calculate the arithmetic mean of the elements 2, 2.4, 3.6 and 4.2.
  3. Round the solution of 25.8 - 13.25.
  4. Calculate the number of possible combinations without repetition of 3 out of a list of 6 elements.
  5. Convert 32°46'25'' into decimal.
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