Floating-point Representation

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Lesson 5 deals with floating point notation, overflow, underflow and rounding errors. In this lesson we look at the representation of real or floating point numbers in a computer. The worksheet should be used to enable learners to become competent in writing numbers in scientific notation. Once they have mastered this skill, the video can be used to explain the link between scientific notation and floating point notation. In addition, we discuss why some calculation errors result in certain computer calculations. It is for this reason that choosing the type of data is important.
Learner Video