The example graphs also allow you to adjust the values in the equation, making the app a useful tool for curious students to explore how changing the values of a graph changes its shape.

Educators using Desmos, an online graphing calculator and activity builder tool, say it enables them to teach math through inquiry more easily.

Startup company Desmos is taking on Texas Instruments with its free, web-based calculator, which is attracting the attention of teachers and test providers.

The district also encourages teachers to use Desmos online calculators since these are used on state assessments as well. Best tip: Ask before you buy.

“We turned off example graphs, and a feature that solves quadratic equations,” says Eli Luberoff, founder and CEO of Desmos. They also added a bright blue bar across the top of the screen of the ...

The Desmos calculator is more advanced than the TI-84 or other devices, offering a friendlier interface, live graphing updates, and free access via a smartphone, tablet or any other connected device.

Desmos has now taken that and rewritten it as a standalone online graphing calculator. It instantly draws the equations as you update them, it’s free, browser-based, color-coded, and you can ...

Today, Desmos users can choose a romantically-themed graph, add their own caption, and then email or tweet it to their special, graph-loving someone.

The Smarter Balanced test group announced today it has partnered with Desmos, a company that created a free online graphing calculator that is giving Texas Instruments a run for its money.