When you learn to count … 1, 2, 3, 4, 5, … you are increasing your number by one every time. Many number sequences are nothing more than always repeating the same algorithm. When a creature produces its shell, it is repeating the same simple building instructions as it grows, thereby creating a spiral (or one shell of a bivalve).

On a semi-humorous, semi-serious note, the idea of a day that kept repeating itself formed the basis for the entertaining movie, *Groundhog Day*.

In this part of the website I want to help you explore such repeating things.

Sequences and Series ~ Repeating patterns with numbers

Mathematical Induction ~ Repeating patterns with ideas, concepts, and algebraic structures

Fractals ~ Repeating patterns with geometric shapes

ive been struggling at uni on an engineering degree with the math but your 4 videos on the various differentiation rules has cracked it for me. Cheers mate!

Matthew Marten (on a CCM YouTube video about Using a Combination of the Chain, Product and Quotient Rules)

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