Mathematics - Complex Analysis - Complex numbers - Complex Plane Explorer

Show the complex plane (Argand diagram). The student clicks to place complex numbers. Display each as a+bi and as a point. Show: (1) Addition: z₁+z₂ is the parallelogram diagonal. (2) Multiplication: show z₁·z₂. The student discovers that multiplying by i ROTATES by 90°! i·i=-1 (180° rotation). (3)

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Mathematics - Complex Analysis - Complex numbers - Complex Plane Explorer
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Mathematics - Complex Analysis - Complex numbers - Complex Plane Explorer

vivmagarwal
vivmagarwalJan 29, 2026

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Show the complex plane (Argand diagram). The student clicks to place complex numbers. Display each as a+bi and as a point. Show: (1) Addition: z₁+z₂ is the parallelogram diagonal. (2) Multiplication: show z₁·z₂. The student discovers that multiplying by i ROTATES by 90°! i·i=-1 (180° rotation). (3)

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MathematicsComplex AnalysisClass 11, Class 11, A Level, DP Grade 12

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