It is not that I do not believe in subtraction in the form of transferring things between people or entities....

Now zero is an extremely useful number. OK, it is useful but it is not really a number. It is...

Sometimes we withdraw more cash from the bank than is in our bank account. We then use the cash for...

You think you are familiar with the minus sign. OK so take the following challenge. Express -(-3-5)-2  as an integer....

Wikipedia defines a Mathematical Constant as5: ‘A mathematical constant is a key number whose value is fixed by an unambiguous definition, often...

Some of the smartest people I have ever met are Physicists. Obviously, they have to be very smart to understand...