The invention relates to "a type of easy-to-use electronic calculator", which electronic calculator is characterized in that in addition to the calculation functions of conventional electronic calculators, it is especially convenient in the input of data and instruction. It is a common panel configuration that the display screen is on top of conventional electronic calculators and the input keyboard is on the bottom, which is not so easy to use. According to the invention, buttons are arranged on the upper and right side of the display screen to facilitate the input, enabling the frequently input buttons and display screen to be within the visible scope making the calculator easier to use.