This is a game for the Japanese market. This is the best version for mobile devices. It is a simulation of an HP calculator with a 16-C display. It is a game, and it is free to play.

The app is a tool for programmers to practice calculations. It is also a useful tool for designers and artists to practice for their exams. It can be used for free.

The calculator has a seven-segment display. It also has a little blink indicator when entering numbers.

The app allows you to select your own numbers to calculate and display. It is also possible to select the numbers to be calculated from a list.

It is possible to set the mode to scientific or standard. It is also possible to set the number of digits that will be displayed.