The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Yoshiki Kojima:
Ever wondered how to display your favorite illustrations, photos, manga & anime characters, etc., on the back screen of your everyday calculator? This calculator allows you to choose the background pictures or photos as you like. Whats more, its highly usable features include calculation history display and outstanding memory function. In other words, it can replace your calculator currently in use. Choose your favorite image as background.-- You can use images from your photo library as background. Apart from using a photo you have taken, you can also use downloaded iPhone-sized picture or wallpaper as background (for downloaded images, please sync it with your iPhone using iTunes).-- Dont worry if you are too busy to find a suitable image. The calculator comes with six cute illustrations by KOTOBUKI Keisuke for you to choose. Choose your favorite design.-- You can choose your keyboard design from between translucent cubes and rounded rectangles.-- For the rounded rectangle keys, you can choose from pink, aqua, and blue. Choose your favorite alignment.-- As iPhone is a telephone by nature, you might prefer your calculator keys to be aligned in same the manner as telephones. Therefore, we have made both the calculator and telephone alignments available. View calculation history.-- No compromise has been made on the usability. At every tap of a button, the app displays the calculation process. Back button is also available for undoing some of the processes. Enjoy an excellent memory feature.-- You can store multiple calculation results. (iPhone5,5s,6,6plus: 8 maximum, Others: 6 maximum)-- You can save the use of your own memory, as the calculation results stored in the app memory are always displayed above buttons.-- You can used to calculate stored calculation results.-- You can add calculation results stored in the memory with other results.-- Multiple calculation histories automatically stored. (16 maximum)-- You can used to calculate stored calculation histories.!!! Promotion Movie on the App Support !!!