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I'm storing them as floating point numbers. Here's a bit of the code:



class Token
{
public:
virtual float getNumber()=0;
virtual char getOperator()=0;
};

I'm trying to write a calculator that gets its input by parsing a single line expression that includes numbers and their operators, like 1+2-3

The number and operator will both be stored in a...

I see, that makes sense, thanks

Thanks, that fixed it, but how come?

class String
{
protected:
enum {SZ = 80};
char str[SZ];

public:
String() //this is being called from Pstring's else
{str[0] = '\0';}