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Showing posts from September, 2011

Bidmas, Bedmas, Bodmas, Pedmas And Christmas

This BBC GCSE Bitesize post says, BODMAS stands for 'brackets', 'other', 'division', 'multiplication', 'addition' and 'subtraction'. It's the order in which we carry out a calculation.

But another article says, the order of operations in Maths called BIDMAS. BIDMAS stands for Brackets, Indices, Division and Multiplication, Addition and Subtraction.

The difference is that the second substitute 'o' with 'i', and we can understand that teacher normally chooses easy way to explain whose pupils can understand, exponent or power or indices are out of reach of foundation students, so teachers uses 'other' instead.

And in this article, 'o' actually stands for 'order', as far as my memory can go, my English teacher never teach me 'order' actually means 'Powers and Square Roots, etc.'

In United States, the mnemonic fo Order of Operation is PEMDAS, because brackets are called parentheses …

Frost won't start on Ubuntu

This problem identified in the support mailing list has not been solved for Ubuntu users,  this happens at "Initializing Mainframe" with about 20% of the progress bar and then stops progressing.

If you check the log file, you find something wrong with the Java Internationalization (i18n) resources file, the error message says "SEVERE: Resource not found in jar file: /i18n/langres_gb.properties".

The most likely solution is to install Sun Java suggested by Volodya, because Ubuntu uses GNU Java instead of Sun Java. Click Open Ubuntu Software center, search for Sun Java, then install JRE, probably you need to install add-ons too, click more information, and check all add-ons if you don't know which one to choose.

After this, I get Frost up and running, but there are still some problems, I can't add active board list by importing XML file. It show successfully imported but the boards won't appear in the left pane.

It seems that Frost is not so popular, I in…