scientific calculator and converter

the most complete and pro calculator for science, includes several functions
This calculator let you put expressions like 2(9)+sin(√(34)) in one single line
you can add functions just pressing exe button after the function, and get the value for a function just pressing f(x) button after the value.
You can get the graphic for every function added, change interval for x values, move the cursor on the graphic for each x value and scale and move with your fingers the image graphic
This calculator let you use matrix and multiply,add,get the inverse matrix, and transpose , change matrix dimension and back up the result.
Include a unit converter