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Mixed numbers and improper fractions
Read more: Mixed numbers and improper fractionsHow to convert to or from mixed numbers and improper fractions.
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Part 5: Appendix to notes on complex numbers
Read more: Part 5: Appendix to notes on complex numbersProofs of two important calculations with complex numbers written in polar co-ordinates. Links to interesting…
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Part 4: Powers and roots of complex numbers
Read more: Part 4: Powers and roots of complex numbersBased on writing complext numbers using polar co-ordinates (see Part 3 of these notes) the…
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Part 3: Graphical representation of complex numbers
Read more: Part 3: Graphical representation of complex numbersAn alternative way of writing complex numbers. This way is based on graphically representing the…
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Part 2: Basic calculations with complex numbers
Read more: Part 2: Basic calculations with complex numbersHow to write complex numbers. How to do the basic types of calculations with complex…
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Part 1: The background of complex numbers
Read more: Part 1: The background of complex numbersThe origins of complex numbers and the unfortunately name “imaginary” numbers.
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Negative and fractional exponents
Read more: Negative and fractional exponentsExponents are often introduced as a way of multiplying several of the same value. Two…
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Resistors in series and in parallel
Read more: Resistors in series and in parallelAn explanation of the basic concepts in electricity. This leads into an explanation of how…
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Investments over multiple time intervals
Read more: Investments over multiple time intervalsHow to work with investments that are split over several time intervals.
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Perpendicular lines (easier)
Read more: Perpendicular lines (easier)The relationship between the slopes of lines that are perpendicular to each other.
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