On my keyboard with numbers 1, 2, 3 and 4 a code of 6 numbers has to be formed to open a door. How do I do this?

The intention is that those codes are ready somewhere so that my colleague would not use the same code.

Asker: Carine, 50 years old

Answer

Dear Carine,

Your question is not so clear. What does preparing the codes have to do with creating them and whether or not using the same code? I would say the best way to make a code is to randomly select a number from 1,2,3,4 six times. You can do this by drawing lots, or you take the first six digits of any number modulo 4. For example, the first 6 digits after the decimal point of the square root of 2 are 414213, just appropriate for your code. In general, you should avoid either not using a number or using a number excessively because this will eventually be noticeable on the keyboard.

However, I don’t think I understood your question, so if you could give some clarification, that would be great.

Regards,

Hendrik Van Maldeghem

On my keyboard with numbers 1, 2, 3 and 4 a code of 6 numbers has to be formed to open a door.  How do I do this?

Answered by

Prof. dr. Hendrik Van Maldeghem

Mathematics, geometry, algebra

university of Ghent

http://www.ugent.be

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