JavaScript Source Code 2002: Calculators: Radioactive

Home Calculators Radioactive

Use JavaScript to find how much radioactive material remains after a given time.

Note: Please enter the halflife, original amount, and elapsed time since the original amount was true and the current amount, and percentof the original will be returned. Please note that the time periods and mass amounts must be in the same units or the results will be inaccurate.

Halflife	Amount	Time

The amount remaining is: or percent of the original sample.

JavaScript Source Code 2002: Calculators: Radioactive
Simply click inside the window below, use your cursor to highlight the script, and copy (type Control-c or Apple-c) the script into a new file in your text editor (such as Note Pad or Simple Text) and save (Control-s or Apple-s). The script is yours!!!

  <HEAD> <SCRIPT LANGUAGE="JavaScript"> <! > <! >  </SCRIPT>  <BODY> <CENTER> <TABLE border=1> <TR> <TD>Halflife</TD> <TD>Amount</TD> <TD>Time</TD> </TR> <TR> <TD><FORM><input name="h" size=10 ></TD> <TD><input name="a" size=10 ></TD> <TD><input name="t" size=10 ></TD> <TD><input type="button" value="Calculate Amount Left" onclick="computeamount()"></TD> </TR> </TABLE> </CENTER> <BR>The amount remaining is: <input name="result1" size=22> or <input name="result2" size=5> percent of the original sample. <input type="reset" value="Reset Form"> </FORM>