MathsApp Graphing Calculator is the ultimate graphing calculator app on Android. Features include:

-Graphing of functions
 -Show line intersection points
 -Show extrema (minimums/maximums)
 -Show x-axis intersections
 -Show y-axis intersections
 -View as table
 -View dy/dx
-Matrix support
 -Easiest matrix entry in the history of calculator apps!
-Programming mode
 -8-, 16-, 32-, and 64-bit
 -binary, octal, decimal and hexadecimal support

On top of that, all features included in the free MathsApp Scientific Calculated are included as well:

-Landscape mode
-Color themes
-Easily adjust previous calculations or insert previous results
-User-friendly interface
-No advertisements
-Advanced calculations
  -Arithmetic
  -Exponentiation
  -Trigonometric functions
  -Advanced statistical distribution functions
  -List support
  -Complex number support

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Meet MathsApp, the ultimate graphing calculator on Android.