The national valid invention patent "Multiple Chinese Characters and Graphic Symbols Input Method and Keyboard" (Multiple Code) can not only type nearly 80,000 Chinese characters in the international standard Unicode, but can also directly type tens of thousands Graphic symbols include legal texts in more than 50 languages ??involving 136 non-English-speaking countries, as well as various emoticons.
For example: Enter smx to type ?. See the screenshot below:
Due to the different font libraries used by different operating systems, the graphics displayed are also inconsistent.