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HTML5 scientific graphing calculator, which millions of students around the world use for free. We also create activities on top of that calculator, helping students use a powerful tool to experience all the curiosity, beauty, and sense that math has to offer. Those activities were used so often by so many teachers around the world that we decided to create an Activity Builder, helping every teacher create digital math activities that equal and exceed the activities we create ourselves. E-LEARNING: We invite students to solve challenging problems using the tools they already have. We create a need for new tools before we help students learn how to use them.

for mobile devices. This tools is part of this list : https://free-online-webtools.zeef.com/isabelle.dremeau

"Develop HTML5 Web Apps for an open marketplace."

Tizen is an open source, standards-based software platform supported by leading mobile operators, device manufacturers, and silicon suppliers for multiple device categories such as smartphones, tablets, netbooks, in-vehicle infotainment devices, and smart TVs. Tizen offers an innovative operating system, applications, and a user experience that consumers can take from device to device.

You can drag and drop images and SVGs into your browser to place them in your drawing. Then drag, resize and rotate. The time-machine feature provides unlimited undo/redo functionality. There's a huge collection of fonts, graciously provided by those involved with the Google Fonts Directory-the text tool allows you to preview exactly what your text looks like, instead of editing and clicking "apply" over and over. The select tool allows you to edit any layer, and even do bulk operations, such as changing the color of multiple layers.

wysihtml5 is an open source rich text editor based on html5 technology and the progressive-enhancement approach. It uses a sophisticated security concept and aims to generate fully valid html5 markup by preventing unmaintainable tag soups and inline styles.

This tool plots the F(x, y) mathematical functions into your browser. The thing is that, we are trying to bring a new way which is more visual and effective in learning. Examples: x^2 + y cos(x + y) * y abs(x+y) sign(x) + sign(y) sqrt(x^2 + y^2)

rotate, scale, skew, and otherwise transform HTML elements with CSS 3. LIVE PREVIEW

A drum machine! Click the buttons you want to play while the loop is going. Then press "Run" and listen to the beat magic. You can change the tempo, too, if you'd like-just stop the loop (by pressing "Run" again) and then edit the bpm. Right now the sequencer only works in Safari and Firefox because Chrome doesn't support aif/wav files yet-and Internet Explorer is… well… Internet Explorer. On the bright side, there's no flash or other plugin involved. It's all HTML 5 and JavaScript. Created by Jesse Jackson / Pattern86.

« Mergely is a powerful diff and merge tool for developers. It can be used as an online editor to highlight changes from existing text documents, for example: text, HTML, XML, and CSS. Mergely is also is a merge tool, so it allows you to merge changes into a new document. The changes can then be downloaded, or shared with others, or referenced in emails, blogs, etc. »

Motion and Interaction Design for HTML5 Adobe® Edge is a new web motion and interaction design tool that allows designers to bring animated content to websites, using web standards like HTML5, JavaScript, and CSS3. Edge will be updated regularly to add new functionality, stay ahead of evolving web standards, and incorporate user feedback to provide the best functionality and experience possible. This is an early look at Edge with more capabilities to come.

Swiffy converts Flash SWF files to HTML5, allowing you to reuse Flash content on devices without a Flash player (such as iPhones and iPads). Swiffy currently supports a subset of SWF 8 and ActionScript 2.0, and the output works in all Webkit browsers such as Chrome and Mobile Safari