OHH		
				
			
							electronic
							nowifi
							computer
							whooanice
							screen
							subtraction
							addition
							calculator
							electronics
							fast
					
	 
	
	
	
	Comments
		
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plus doesnt work
		 
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Very cool... but not exactly practical (in size).
		 
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It likes id:1149877 to bin-bcd{?}.I am going to make a calc too:) but i don't know how can make bin-bcd:D
		 
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it works some times but not all the time
		 
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its a very cool designe but it doesnt work really well
		 
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It says 35+17 = 48
		 
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Extremely fast for Powder Toy calculator and six digits! +1
		 
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when i do 0-1 and press enter it says 999999
		 
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KD Approves
		 
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defds: that is correct.  Maybe a negative sign could be added to the output, but in a real computer negative numbers are stored something like that (sort of ...) -1 would be displayed as the max number minus 1. 700-900 is -200, so that is displayed as 1000000-200