xThink Support: Frequently Asked Questions

General Questions

The keycode you receive when buying MathJournal is personalized to your name and e-mail address. Therefore you need to enter exactly the same name and e-mail address you submitted when buying the product. If you need a different keycode please contact us.

Yes, you can install and run both Calculator and MathJournal on systems running Windows XP. When you run Calculator and MathJournal on non-tablet PC systems certain features will not be available - for example, gestures and title ink strokes are not recognized. In addition, recognition of mouse-based input strokes on non-tablet PCs may be less accurate than recognition of pen-based input on tablet PCs. Users have installed and run Calculator and MathJournal on non-tablet PC sytems with and without external Wacom tablets and pens.

In short: Yes! A long answer can be found here.

Calculator Questions

We have noticed a compatibility problem when running Calculator 1.1 on German Tablet PC environments with Corel Grafigo installed on the system. We provide a patch for this problem at our Calculator support page. Please follow the instructions there if you encounter this problem.

MathJournal Questions

MathJournal hosts Internet Explorer in the MathML tab to display MathML content. Internet Explorer can display MathML only if a MathML plug-in is installed on your system. If not, Internet Explorer will display the above error message. There are a number of MathML plug-ins for Internet Explorer available on the internet. MathJournal was tested with the freely available MathPlayer plug-in. This plug-in is available from "Design Science" at the following website: http://www.dessci.com/en/products/mathplayer.

You probably installed MathJournal with User Account Control (UAC) disabled. This prevents some components from registering correctly during installation. Please uninstall MathJournal, enable UAC in the Control Panel, and then install MathJournal.

In MathJournal, the page width for each file is determined by the desktop width when the file is created. If you create a file in portrait orientation and then change to landscape orientation, the width of the page cannot be made larger than the width of the desktop in portrait orientation. This is also the case if you create a file in one tablet PC and open it in another tablet PC with a different desktop width. After changing the orientation of your tablet PC, if you create a new file, the page width of that file is determined by the new desktop width.

Please download stdole.zip here and extract the included stdole.dll to your MathJournal installation directory. By default, this is c:\program files\xThink\MathJournal. This DLL is present on some systems but not all and is required for copying 3D graph images. This will be fixed in the next version of MathJournal.

When Firefox is already installed on the machine, MathPlayer is not able to install itself as the XHTML mime handler, and so it is not able to display MathML inside MathJournal. Do the following:
1) Close all programs.
2) Click the Windows Start >> Run item and type cmd.exe to run the "DOS"-like command prompt.
3) Change directory to where MathPlayer is installed, typically:
cd "C:\Program Files\Design Science\MathPlayer"
4) Type the following:
regsvr32 MathMLMimer.dll
5) Type the following:
regsvr32 MathPlayer.dll
6) Run MathJournal and see if MathML is now getting displayed.

If MathML is still not getting displayed, run regedit to view the registry, and check that it has the following correct entries:
1) [HKEY_CLASSES_ROOT\.xht] @="htmlfile" "Content Type"="application/xhtml+xml"
2) [HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/xhtml+xml] "CLSID"="{48123bc4-99d9-11d1-a6b3-00c04fd91555}"
3) [HKEY_CLASSES_ROOT\PROTOCOLS\Filter\application/xhtml+xml] @="MathPlayer MIME Filter" "CLSID"="{32F66A26-7614-11D4-BD11-00104BD3F987}"

Disclaimer: Edit the registry at your own risk. Incorrectly changing the registry can result in an inoperable system.