# Convert numbers to inverse and symmetric

Hi, I wanted to see if there is a block that inverts numbers, for example, 2 becomes 1/2, that is, I want to be separate, which is 1 code, and 2, which is another number, is another code, because I want it to be a fraction, and vice versa. 1/2 becomes 2 and also the symmetry of example -2 becomes +2 and vice versa

There isn't a specific block but you can create custom procedures for that

How can you tell more?

Why not try for yourself, have a look at the maths blocks available and see what you can do...

If you need fractions, I believe there is an extension for that....

I looked in the math block but nowhere did he say inverse or symmetrically write negative but he did not write these.

I have a problem with the negative number

I understood

Use the block reverse the list or you can use list add-on extension

I fixed it only with the blocks of the Hooray app

It was enough to consider the fraction as 1 and the denominator of the fraction as the input number

In basic maths its `0.1*100 = 10`, but I don't believe you want to do it like that. Explain...

I want if the user enters the number 2, for example, he gets 1/2, and if he enters 1/2, he gets 2.

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Actually I know a way to do that. It will take some html files by the way.

½

This can be directly input. Whereas, the fractions we see in our Maths book, needs the html files. And I have the HTML files ready.

Would be giving the html if you tell exactly what you want to do.

Try working with Taifun's Maths extension