XFunction|教育線上App不用買

XFunction is an app designed to facilitate the study of one-variable functions.

XFunction allows you to display graph of a function, move on it, zoom in or out areas of interest, see the value of the function at the point touched.

But the strength of Xfunction is in the way and speed with which you can do all that.

Thanks to a simple and intuitive interface, XFunction guides you when inserting the function ensuring the correctness of that as you type. Syntactic errors due to bad typing, typically present in applications of this kind will belong only to the past.

So from now thanks to XFunction draw the graph of a function becomes an easy game.

Managed functions below:

sum

difference

multiplication (implicit)

division

square root

cube root

exponential

natural logarithm

decimal logarithm

absolute value

sine

cosine

tangent

cotangent

arcsine

arccosine

arctangent

arccotangent

hyperbolic sine

hyperbolic cosine

variable x

natural numbers 0-9

decimal point (.)

constant pi

Napier’s number (or Euler’s number)

unit of measure of trigonometric functions: degrees or radians

In addition, there are two keys for navigation inside the expression:

-Delete last entry

-Right exit from a block brackets

In summary Xfunction is intuitive, fast, powerful and reliable.

Tested on major commercial devices with resolution: QVGA, WQVGA400, HVGA, WVGA800, WVGA854, WXGA with Android version 2.2 or higher.

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