In this live Grade 12 Mathematics show we take a look at Sigma Notation. In this lesson we revise the use of sigma notation as well as the use of sigma notation in the use of sequences and series.

Okay, welcome back everyone. Last video we did some elementary examples of sigma notation. Today we're going to make it a little bit more complicated, and we're going to go over some rules, For manipulating, Slash simplifying, Or making for complicated, if you like, sigma notation. I'm going to start with our first rule, itâ€™s just an example.

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IXL Math. Gain fluency and confidence in math! IXL helps students master essential skills at their own pace through fun and interactive questions, built in support and motivating awards. J. Junior kindergarten See all 71 skills.

Big-O Notation Explained with Examples. 8 min read. By Vineet Choudhary. Asymptotic notation is a set of languages which allow us to express the performance of our algorithms in relation to their input. Big O notation is used in Computer Science to describe the performance or complexity of an algorithm.

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Moving Averages. A moving average is used to compare a set of figures over time. For example, suppose you have measured the weight of a child over an eight year period and have the following figures (in kg): 32, 33 ,35, 38, 43, 53, 63 ,65. Taking the mean doesn't give us much useful information. However, we could take the average of each 3 year.