To use the following calculator, first select the units for each entry. Then enter a number value in one of the display boxes, and press the Calculate button, The corresponding conversions will appear in exponential form in the remaining boxes. The exponential notation: e+08 for 108 and e-11 for 10-11, may be used for the initial input, but is not necessary. Note that commas will be eliminated, so when representing a decimal point they must be replaced by ".". Reference: this calculator is taken from the following site at Michigan State University: www2.chemistry.msu.edu/faculty/reusch/virttxtjml/cnvcalc.htm