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This is an EJS version of micrometer with option for positive or negative zero error for faulty micrometer(Adjust the vertical slider up/down). 2. option for object black color to be inserted for measurement 3. opton for hint to display 4. option for answer to display 5. option fine control for rachet 6. a lock to store the value of measurement like in a real micrometer so that you can ask others to look at the reading too without having the object inside. Smiley 7. moved the object to the foreground to achieve the no oversqueezed look by the spindle 8. added threads on green dial and rachet to give it the rotating look 9. lock can be press on graphically 10. at the moment, the rachet can be compress by extra mm to demonstrate materials can be measured inaccuracy if over rotated by students against the anvil, which is somewhat inacurrate but i think there is educational value if the applet can over compress ? to get the correct measurement, drag on the slider for thimble made black object do not overlap the micrometer, suggested by Ered 12. made hint for zero error case make clear the impact of new calculation 13. re position (lower and in screen) the hint for the 0.00 mm for even measurements like 13.77 mm Thanks to Prof Hwang for sharing his original source codes, his passion for sharing knowledge and guidance . This work is licensed under a Creative Commons Attribution 2.5 Taiwan License.
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