Microsoft shipped a fresh Windows 10 preview build for Insiders on the Fast ring today. This release brings the build number up to 19546, and it includes the usual batch of bug fixes and performance improvements. Highlighting this release, however, is the addition of a graphing mode to the Windows 10 Calculator app.
The new graphing mode allows you to perform more advanced functions than the calculator has traditionally been able to accomplish. You can plot more than one equation on the graph, add equations with variables, and analyze equations by hovering your mouse over key points.
Here’s a full look at what’s new in build 19546: