The sphere.
A brief note on regression.
Pendulum swing.
How to multiply numbers: Napier's Logarithms and the slide rule.
Maddening square gardens.
Lost in a cave !
Logarithms are useful in representing numbers by their magnitudes.
A geometry challenge: Four intersecting quarter circles.
How tall is Royce Hall?
How high is that cloud?
(281 records)
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