Updates are now available for both Maple 18 and MapleSim 6.4.

Maple 18.02 contains improvements to many areas, including:

- Rendering of 2-D plots
- Help pages and examples
- Interactive components
- MATLAB 2014a support
- Math engine: Laplace transforms, complex floats, simplify
- Matrix import
- Context menus
- Typesetting
- Memory management
- OpenMaple API
- Physics (details in comments)

To get this update, you can use **Tools>Check for Updates** from within Maple, or visit Maple 18.02 Downloads. (But depending on when you read this, Check for Updates may not have kicked in yet. If it doesn't find anything, wait until tomorrow morning and try again.)

For those users who haven't upgraded to MapleSim 7 yet, MapleSim 6.4.01 includes:

- Efficiency improvements to the simulation engine, taking advantage of enhancements in Maple 18.02
- Improvements to C code generation for model export
- Improved handling of indexed variables when generating Modelica code

In MapleSim, use **Help>Check for Updates** or visit MapleSim 6.4.02 Update. Note that MapleSim 6.4.02 is compatible with Maple 18.02. Upgrade your Maple 18 installation to Maple 18.02 before installing this MapleSim update.

eithne

We received an interesting and timely submission to the Maple Application Center this morning that I think people might be interested in. It's called:

The Comet 67P/Churyumov-Gerasimenko, Rosetta & Philae, by Dr. Ahmed Baroudy. From the abstract:

*Our plan is rather a modest one since all we want is to get , by calculations, specific data concerning the comet and its lander.*

We shall take a simplified model and consider the comet as a perfect solid sphere to which we can apply Newton's laws.

We want to find:

I- the acceleration on the comet surface ,

II- its radius,

III- its density,

IV- the velocity of Philae just after the 1st bounce off the comet (it has bounced twice),

V- the time for Philae to reach altitude of 1000 m above the comet .

We shall compare our findings with the already known data to see how close our simplified mathematical model findings are to the duck-shaped comet already known results.

It turned out that our calculations for a sphere shaped comet are very close to the already known data.

Click on the link above if you want to take a look.

eithne