Calclc is a simple calculator app in pursuit of the ease of use. It's a cool design and you can change the text color [Interface] - Text is large so it is easy to read. - Button is large so it is easy to operate. - When you touch the button, Calclc notification by the vibration. Also You can disable the vibration function. [Functions] Calclc has two functions. - Memory Buttons are "MRC", "M+", "M-". You can use Memory display. - Percent calculation [Design] Design concept of Calclc is cool. You can change the text color. You can use the nine types of text color.