simple calculator code in android download is an application developed for Android mobile phones and tablets. It allows users to perform fundamental mathematical functions such as adding, subtracting, multiplying and dividing in their cell phone. Being configured on the cell phone, always continues with the user, helps in the calculations of everyday life and works as a common source code of the Android Calculator application. Next, I quickly described the features and scope of the code rifles source of the Android Calculator app along with a point-by-point comparison with the current hand calculators.