Complex Number Workbench
Calculate with complex numbers such as 3 + 4i. See the answer on a graph and compare its distance and angle.
Which complex number formats can I enter?
Use rectangular notation such as 3 + 4i or a JSON pair such as [3,4]. Choose an operation and inspect the magnitude, phase in radians and degrees, and plotted position of each value.
Your result
A little clarity, right here.
Start with your own content or load the example. Your result will appear here.
Three simple steps
How to use Complex Number Workbench
Choose your input and adjust the options.
Review the preview and run the tool.
Download the result and keep your original.
Common questions
Good to know
Understand the result.
Keep the original.
Is this tool free, and are my files uploaded?
This tool is free with no account required. The work happens in your browser. Your input and files are not sent to a processing server.
What are the limits and details?
Calculations run on your device. Numerical results have finite precision; review assumptions and units before using them. Large or unsupported expressions are rejected.
Limits: 500,000 characters per text field; files up to 20 MB each, 10 files and 50 MB total. Processing stops after 30 seconds.