This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Angle between two vectors
Back to basics 25 - Valid variable names
Calculate the area of a triangle between three points
Element by element multiplication of two vectors
Area of a circle
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
ASCII code of a leter.
Write a code that will follow the equation y = x * (x + x) * x.
Square root of a number
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