I have dabbled in Cartesian coordinates...

but vector geometry is where I draw the line.

An older man began regretting his cautious life

He then told his butler to buy a kart for him to race down a dangerous slope.

Then, a few days later he was at the top of the slope. The butler warned him of 4 perils on the way. The man noted what do do on these perils.

He went down and faced them. The butler came to ask what the ex...

What is a polar bear?

It is a Cartesian bear in a different frame of reference.

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