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What is your age?

You are (teen, mature, ...):

What is a keyboard digit?

Special char:

What is a first digit? What is a second digit?

Range sum:

What is a first digit? What is a second digit?

Greatest common digest:

Get all divisors of a number:

Divisors:

Is a palindrome?

Result:

Is discounted?

Result:

numbers_count_block?

Result:

next_day?

guess number prompt?

Result:

Division table

what is the next day? With Date Enter date in '%d.%m.%Y' format:

Result:

what is the next day? With Math Enter date in '%d.%m.%Y' format:

Result: