[color=#666666][b]Recall the half-life of a substance is defined to be the amount of time it takes for half of ANY AMOUNT of that substance to decay. [br][br][/b][/color][color=#666666]If you slide the "Slide Me Slowly" slider, you'll see a dynamic illustration of this. [br][br][/color][b]The applet below allows you to adjust the following: [br][/b][b][color=#980000][br]The initial amount of substance (adjustable with movable y-intercept or input box on right.) [br][/color][/b][color=#1e84cc][b]The half-life of the substance (adjustable with input box or slider.) [/b][/color][color=#666666][br][br]You can also enter exact values of [/color][b][color=#9900ff]a certain amount of time [/color][/b][b][color=#666666]OR [/color][color=#cc0000]a[/color][/b][color=#cc0000][b] certain amount of substance left[/b][/color][color=#666666] [b]to see the corresponding coordinates ([/b][/color][b][i]x[/i][color=#666666], [/color][i]y[/i][/b][color=#666666][b]) that relate to that piece of information. [/b] [br][/color]