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Author Topic: significant figure applet  (Read 11187 times)
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lookang
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on: January 07, 2009, 04:38:16 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

Hi Prof !!

Any idea how to teach significant figure in a meaningful activity that EJS can make?



This is the most popular java applet on significant figure.
But the teaching approach is more drill and practice, I was thinking about a more powerful way to allow students to explore.

 
reference:
http://lectureonline.cl.msu.edu/~mmp/applist/sigfig/sig.htm

My initial idea.

1. box for learner to key in values ( types real numbers, scientific notation )
2. EJS logic(s) evaluate the input and display the correct number of significant figures.

doesn't seems to be a good and useful applet to make, do you have an idea(s) to add as well? Grin
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lookang
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Reply #1 on: January 07, 2009, 04:46:44 pm » posted from:SINGAPORE,SINGAPORE,SINGAPORE

i found this

http://education.ti.com/educationportal/sites/US/productDetail/us_scitools_83_84.html

think they have already come up with a great way to explain significant figure embedded in    
Science Tools App for the TI-83 Plus and TI-84 Plus Families.

think forget it, Texas have a great teaching strategy through use of their calculator.

in my opinion, this is the best way.  Any way i can make one calculator emulator using EJS from  open source codes in Javascripts etc ?



« Last Edit: January 07, 2009, 10:22:52 pm by lookang » Logged
Fu-Kwun Hwang
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Reply #2 on: January 07, 2009, 11:10:14 pm »

There is a Function(TextField) GUI element in EJS, that user can input formula and EJS will evaluate it.
You should be able to create a scientific calculator with EJS.
Try it by yourseld first. If you really have trouble, then I will help you!
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lookang
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Reply #3 on: January 08, 2009, 10:02:19 am » posted from:Singapore,,Singapore

any scaffolds or examples to get inspiration from?

i have little knowledge in scientific calculator making thus can't think of a solution to do it efficiently where i can draw help from codes all in the net as open source.

need a starting guide, then once i start doing, i will have a better idea what i want, what i don't know etc.
« Last Edit: January 08, 2009, 12:04:11 pm by lookang » Logged
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