Scientific calculator play online

A calculator that has a simple format in portrait orientation and the scientific landscape position.
Examples use
| X | delete the last character
Ans plays the stored value of the last result
Deg converts to degree
Eng switches to scientific notation
Rad converts to radian
n and plotted (~) => 3 = 2 ~ 8
When using sin, cos, tan, asin, acos e atan put parentheses in the negative signal to calculate => sin (-30) = -0.5

In landscape mode keyboard can be changed by simply moving the touch screen to the right and left.