![]() Hopefully, a future release will give those parameters a “slider bar” like the NLVM site has so students can see them adjust dynamically rather than having to type them in one at a time. One of the things I like best about the Desmos calculator is that you don’t have to write your equations in terms of y, making it easy to graph conic sections and any other number of common graphs. The calculator also offers the ability to experiment with parameters in an equations to see how they affect properties like slope and intercepts. There’s a nice keypad with pretty print capabilities, so you don’t have to learn much in terms of calculator syntax, and there are a lot of sample equations to pull up while you get the hang of using the calculator. It’s simple to switch between cartesian and polar equations. I spent a few minutes working with the Desmos calculator this morning, and I’m very impressed. Startup Desmos has launched a graphing calculator that offers a lot of power and flexibility, as well as being simple to use. They’re either incapable of more sophisticated graphs, difficult to use, or just plain ugly. ![]() There are tons of graphing calculators online, but frankly, most of them aren’t worth much. There’s a new online graphing calculator out there that I think may soon top the National Library of Virtual Manipulative graphing calculator for top browser based grapher.
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