3.2.3
2024-04-12
Fix the display bug.
3.2.0
2022-11-04
UE optimization: add a shortcut directory in the upper right corner of each course page.
3.1.1
2022-09-05
UI and performance optimizations.
3.1.0
2022-03-15
Change the program to make the content easier to understand.
Change the table of contents and present in a more interesting way.
UI adjustment to make user experience better.
3.0.3
2021-11-17
Optimize performance and file size.
Increase request for ad tracking permission.
3.0.2
2020-05-20
UI and performance optimization.
3.0.1
2020-03-28
Application UI and function optimization
3.0.0
2015-08-18
increase
<20 addition exercises. Forward one.
<20 subtraction exercises. Back one.