Sample Solution: Number Systems
Text-Based Interface
Input Base : 10
Output Base: 2
Value : 381
101111101
Input Base : 2
Output Base: 16
Value : 101111101
17d
Input Base : 16
Output Base: 10
Value : 17d
381
Input Base : 10
Output Base: 13
Value : 754
460
Graphical User Interface

Note the Options menu.
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