Online Calculators help by giving us a sense that we are doing a particular calculation correctly. Yes, it is possible they might make the same mistake we make. We will tend to ignore this possibility : – ).
When we say Online Calculators, we acknowledge the online calculators that do “regular math” and the Scientific Calculators, but our emphasis is actually on the specialty calculators that do calculations and/or make graphs for things not included on the scientific calculator that you bought for high school.
Perhaps we should call them Specialty Calculators and links to several examples are shown below:
Rob Sterling 