Complex arithmetic resources
Quick Reference (9)
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This leaflet explains how complex numbers can be added or subtracted.
There are accompanying videos. Sigma resource Unit 4.
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This leaflet explains how complex numbers can added, subtracted, multiplied and divided. (Engineering Maths First Aid Kit 7.2)
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This leaflet explains how to divide complex numbers. Sigma resource Unit 7.
There are accompanying videos.
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This leaflet shows how the imaginary number i can be used in the solution of some quadratic equations. Sigma resource Unit 2.
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This unit introduces complex numbers by explaining how it is useful to be able to formally write down the square root of a negative number. Sigma resource Unit 1.
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This leaflet explains how complex numbers can be multiplied together.
There are accompanying videos. Sigma resource Unit 5.
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This leaflet explains what is meant by the complex conjugate of a complex number.
There are accompanying videos. Sigma resource Unit 6.
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This leaflet explains what is meant by a complex number, and how to find its real and imaginary parts. Sigma resource Unit 3.
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This leaflet gives a simple, brief introduction to the concept of a complex number. (Engineering Maths First Aid Kit 7.1)