Category: Digital Graphs and Diagrams

Redecorate your Office?

If I had some time, money, and wall space in my office, I could seriously redecorate using only these fractal images. These thumbnails really do not do the artwork justice – the full-size images are gorgeous. All images are copyrighted by David Makin. Visit his Showcase Gallery to see all the images and view the full-size images (and to buy prints). Since I don’t have wall space in my office – I wonder if he’d consider making a screen-saver with all of these beautiful images? I’d be the first in line to buy that! Possibly Related Posts: Getting Graphs to Instructure Canvas Discussions Logarithm Graphs in Wolfram Alpha Wolfram Alpha Discovery Best of the Ed Tech Freebies! Teaching Math with Technology (Discussion...

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Creating 3D Geometry with PowerPoint

I find this to be a handy trick in PowerPoint. Although there is certainly better software for graphic design (for example, Adobe Illustrator), most instructors have a copy of Microsoft Office on their computers and so it makes a convenient graphics and layout program. You may need 3-D graphics for Calculus, geometry, or math for elementary teachers and you can create those graphics pretty easily in PowerPoint. Here’s my 2-page tutorial. If you’re going to label these figures, I recommend using the equation editor (or MathType) and then grouping the figure with the labels to create a single object. Copy and paste the graphics into a Word document using “Paste Special” and “Enhanced Metafile.” It doesn’t always look crystal clear on the computer screen, but it will print beautifully. Possibly Related Posts: Bringing the Real World to Your Math Class Every Day Getting Graphs to Instructure Canvas Discussions History of Numeration Systems Collection of Math Games Signed Numbers: Colored Counters in a “Sea of...

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Creating Inequality Graphs

One of my assistants requested advice about creating an inequality graph (with grey shading) using PowerPoint, so I thought I might as well share it here too.The trick is to use a Freeform drawing object, and then send the shading to the back of the diagram using the “order” feature. You can see it (a short Jing) here. There’s an older post (and longer video) about creating a very detailed graph with a break on one of the axes using PowerPoint. This is, of course, not the intended use of PowerPoint, but it is software that “talks to Word” nicely and can create truly lovely printable graphs. Possibly Related Posts: Getting Graphs to Instructure Canvas Discussions Logarithm Graphs in Wolfram Alpha Wolfram Alpha Discovery Best of the Ed Tech Freebies! Teaching Math with Technology (Discussion...

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How to Make Pretty Graphs in PowerPoint

Excel graphs are easy to make, but don’t always suit the purpose on tests and handouts. In this case, we wanted to make a graph where students could easily read the points and draw a best-fit line and it needed to be publication quality. Here’s the original Excel graph. I have included some tips on just modifying this graph in under two minutes to be possibly good enough to suit most purposes. The video takes you all the way to making a “pretty” graph for publication, like this one: Here’s the link to the video (it’s a fairly big video, so it may take a minute or two to start playing). I should mention that I normally do not go through this much work every time I need a nice graphic. Start a file called “Nice Graphs” and keep adding to the file. It is much easier to edit an existing graph than start a new one. Often, you just need to change the scale and headings or change the line on the graph and it’s good to go. Very rarely do I have to start from scratch. Possibly Related Posts: Getting Graphs to Instructure Canvas Discussions Logarithm Graphs in Wolfram Alpha Wolfram Alpha Discovery Best of the Ed Tech Freebies! Teaching Math with Technology (Discussion...

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