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Charts and graphs allow us to conveniently represent data in a manner that effectively communicates its meaning. Microsoft Excel is widely used to create such graphs. But when you need an embeddable chart, you need to turn to online applications that let you create your desired graph and then generate its embeddable code.

"Enter an equation, choose some settings, and graph it. There are a number of functions you can use to plot, you can save the graphs to use later (in documents, worksheets, etc.), you can create a permanent link to them to share with others, and a few other nice little things (like getting a quick graph by going to an address like http://graphsketch.com/sqrt(x) )."

Via @shaneteachtech - Awesome HTML5 graphing calculator. Hopefully students won't need expensive hardware solutions!

Display graphs of mathematical functions

An interesting site that provides webs of related words. To use type any word into Graph Words to see a web of alternative word choices. Click on any word in the web to generate a new web of more related words.

A cartoon to help memorise graphs of functions?

"FluidMath enables teachers and students to easily create, solve, graph and animate math and physics problems all in their own hand-writing on the screen of a Tablet PC or Interactive Whiteboard. For teachers, it is designed to assist in creating dynamic instructional materials for the classroom providing engaging learning experiences. For students, it is designed to help explore and understand concepts in mathematics and science."

Cool, new tablet pc math software that recognizes handwriting. It solves, graphs and animates math problems. I made these demo screencasts using FluidMath: http://bit.ly/kweHFN

Oomfo is a new (beta) add-on site for PowerPoint. Once Oomfo is downloaded users can then create excellent looking, interactive, animated graphs.

Interesting tool to graph your Twitter Stats including tweets per hour, tweets per month, reply startistics etc. No login required.

Interesting tool to graph your Twitter Stats including tweets per hour, tweets per month, reply startistics etc. No login required.

Tableau is a data visualization software that lets you understand data in minutes. In this session, you will learn what is tableau, working with tableau and how to draw graphs in a tableau.

"Social Graphs in 700 Movies"

"Awesome widgets for your iBook Timelines, mathematical formulae, interactive graphs & plots, crossword puzzles, quizzes, infographics, youtube videos... The possibilities are endless. No skills required Add stunning interactive content to your iBook, with zero skills. All you do is point, click and add text. Plugs right into iBooks Author Apple created a kick-ass tool, super easy to use. We'll make it even better! Royalty free Are you a school or teacher? We have a very affordable educational license! Selling your work on the iBooksstore? We charge a small fee per generated widget."

Tableau Public is a free application that brings data to life. Create and share interactive charts and graphs, stunning maps, live dashboards and fun applications in minutes then publish anywhere on the web. Anyone can do it, it's that easy-and it's free.

"Like many other people in the investment industry have keen knowledge regarding the updates. Many of them are right about the graph valuation, and acknowledge the upcoming ups and down."

"It's more than the numbers. Create CHARTS of public spending time series. Look at TABLES of spending year-by-year for central government and local authorities. "

May not have appeal beyond the UK, as that's where the data is from. Available for other countries too?

Now this is cool. Visualisation of data.

Printed media used to allow us to read in the places we found most comfortable ... Unfortunately, as news and media moves online, it moves us away from these places and into our desk chairs .. I've found that as devices become more mobile, it's not only changing where we read, but when. Today, I'd like to show you some of the data behind this movement.

This neat tool from Google, ChartTool is a simple-to-use chart-making service that lets you simply paste in your data and play around with how it looks. It's never been easier to whip up charts that are actually easy to use and update. In fact, embedding these charts on web pages is quite simple thanks to the embed API. You can even make QR codes in just a few seconds and quickly get an embed code to add it to your website. While ChartTool does not create as many of those fancy 3-D charts that Excel does (it still makes quite a few), it likely will be able to in the future. However, if you're in a rush and need to whip up some exact charts without all the fluff, this is the tool for you.