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1. Calculator Calculator Public

   Calculator. Use java language, Only use the most basic java grammar. Try to finish computer algebra system.

   Java 1

2. frog-rubik-cube frog-rubik-cube Public

   a rubik cube game

   JavaScript 4

3. FrogJson FrogJson Public

   json viewer

   Java

4. FrogNotebook FrogNotebook Public

   notebook. record something.

   HTML

5. froglab froglab Public

   kit for work.

   Java