There's a video[1] that has some history of the calculator in Japan that kind of mirrors this. There's a race to get the smallest and thinnest, but it ultimatel

There's a video[1] that has some history of the calculator in Japan that kind of mirrors this. There's a race to get the smallest and thinnest, but it ultimately ends with the calculator not being particularly good to use. [1] https://youtu.be/1_GVkR0SITo?t=17m25s https://youtu.be/1_GVkR0SITo?t=17m25s