1. Update Splash Image for CEMTool and SIMTool
2. Bug-Fixed
- ceil (-0.3/0.1)--> return -2 is wrong, it's must return -3
- fix (0.3/0.1)--> return 2 is wrong, it's must return 3
- floor (0.3/0.1)--> return 2 is wrong, it's must return 3
- mod(0.3/0.1)--> return 0.1 is wrong, it's must return 0