It dseon't mettar waht oedrr the lrettes in a wrod are.
Combinations without using nchoosek
Rounding off numbers to n decimals
Determine whether a square can be drawn on a grid of dots
Investigate the frequency of last digits of prime numbers
Label primes with the Erdos-Selfridge classification
Count the ways pairs of parentheses can be matched correctly
Compute an integral of a product of sinusoids
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