Shall I give it a try?
Writing code takes a little time. Thank you for your patience.
OK, please have a look and give it a try:
Well, the code I gave you defines the class Calculator. I don't know how it is supposed to "plug in" to your testing framework...
In a regular HTML document, you'd include it with a script node, using the src="calc.js" tag.
I've posted a quote for the additional work for your consideration.
Hi,just following up, were you able to use my solution? Please feel free to post any additional questions, comments or concerns you may have regarding this issue.
If you're not yet satisfied with the result, please let me know what is missing. I will do my best to make it right for you.
Otherwise, please don't forget to rate my service - I don't get paid for my work until your rating is received.