The expression of dilution titres for serological reactions frequently requires the use of large numbers. In cases where the antibody content of an immune serum is high, the conventional means of ...

Oscilloscopes are the workhorse instruments for time domain measurements. Most current digital oscilloscopes include about twenty-five built in measurement parameters as a standard complement. Adding ...

A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for scientists and ...