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Multiple choice answers allows us to create questions with several answer options, between which ...

If you need to create a number without a zero in the end, you may use the following combinations ...

In some of the questions examples you need to construct number columns. In the number columns num...

You know the Random Swap option that allows you to make the conditions of the problems more diver...

It's easier to use  ###a1:-a### instead of ###a1:(-1*a)### in calculations. For example, in this...

There are two ways in which you can use capital and small letters randomization. Two ways that co...

Let's say you need to calculate the answer quickly without setting too many random variables and ...

1. The coordinate system looks like that The 8 lines below draw 8 lines. The first draws a hor...

To randomize the numbers inside of an SVG picture you need to first create this SVG picture. Or, ...

If you need to extract the module from number X, you can do it in one transaction ###module:max(x...

Input-type answers are answers with only one correct answer and no alternatives, yet the correct ...

To convert any number into a Roman Numeral, you need to set randomization for your number and set...

Please, share your solutions for randomization, calculation and other Enhydra functions - your ex...

Here you may find a file where you can add ANY of your suggestions for improvements of Enhydra an...

If you need to extract the modulus remainder or to calculate the quotient you can use the followi...

Once you have finished writing your question, it is ready for submission. Before submission, make...

What are answer flags? Certain flags can change what is accepted. These are placed at the beginn...

For obvious reasons, you may not wish everything  in the answer box to be interpreted, and instea...

Most users will log into OTTER after they have spent several hours engaging in lessons and after-...

Here you can find the Otter Word Problems Constructor. By the link, you may find the prototype ve...