Powers of Complex Numbers (and an intro to "Table" on Mathematica). Also use ComplexExpand. - YouTube
The Ease of Wolfram|Alpha, the Power of Mathematica: Introducing Wolfram| Alpha Notebook Edition—Stephen Wolfram Writings
Wolfram|Alpha Full Results API Reference
Getting Started with Wolfram|Alpha Notebook Edition
Equation Solver: Wolfram|Alpha
Finding Roots—Wolfram|Alpha Blog
Solving Basic Properties of Functions and Equations Made Easy—Wolfram|Alpha Blog
Solving Basic Properties of Functions and Equations Made Easy—Wolfram|Alpha Blog
Introducing Expanded Step-by-step Math Solutions—Wolfram|Alpha Blog
Get Real with Wolfram|Alpha—Computing Roots—Wolfram|Alpha Blog
Posts Tagged with 'Derivatives'—Wolfram|Alpha Blog
Solving Equations with Wolfram|Alpha—Wolfram|Alpha Blog
Complex Visualization: New in Wolfram Language 12
Making Formulas… for Everything—From Pi to the Pink Panther to Sir Isaac Newton—Wolfram|Alpha Blog
Complex Numbers in Rectangular and Polar Form - Wolfram Demonstrations Project
The Ease of Wolfram|Alpha, the Power of Mathematica: Introducing Wolfram| Alpha Notebook Edition—Stephen Wolfram Writings
Quaternion Properties and Interactive Rotations with Wolfram|Alpha—Wolfram| Alpha Blog
Solving Equations with Wolfram|Alpha—Wolfram|Alpha Blog
Posts Tagged with 'Mathematical Functions'—Wolfram|Alpha Blog
