On 27 Feb 2021, at 7:32 AM, 袁德俊 <yuandj1972@163.com> wrote:
树莓派日 sig-raspberrypi 有没有啥庆祝活动?是个科普的好机会3.14 树莓派基金会的树莓派日https://www.raspberrypi.org/blog/pi-day-at-the-raspberry-pi-foundation/(树莓派周刊的标题文。这可是个大日子。PI=3.1415926,可不是白色情人节)