Tax calculator done
Output part done. Now for input
Making progress on receipt parsing
Some minor changes to commerce problem
Starting mars problem
General practice with binary trees
DFS implementation incomplete
Futher work in receipt parsing
Parsing of input receipt done
Sales tax receipt calculation tests done
Some minor changes to receipt calculator
Print receipt tests also done
All components complete
Full app testing also done
Some changes related to exceptions
Added a main method. Sales taxes done
Making progress on Mars Rovers
More changes to mars rovers