Find all elements less than 0 or greater than 10 and replace them with NaN
Basic electricity in a dry situation
Make a 1 hot vector
Area of an equilateral triangle
BASICS - sum part of vector
Under the sea: Snell's law & total internal reflection
Fractal: area and perimeter of Koch snowflake
Number of paths on a n-dimensional grid
Number of even divisors of a given number
The last non-zero digit of a factorial
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