shaoziyang

Error in calculating power function

33

**Describe the bug** I calculate a expression in makecode, then send the value to serial port. In simulator it is ok, but in real serial port, it will get wrong...

I have try to make it run in PYBV10 board, I modify board,h from feather_f405, and build success, but it not work. [board.zip](https://github.com/mmoskal/uf2-stm32f/files/4378781/board.zip)

Added some useful features

2

Added some useful features, such as: - page view count - page and image files count - random pages - recent pages - wallpaper - use random image - set...