Smart Math Scientific Calculator is one of the easiest and most convenient calculator so far created. A wide range of advanced features are available in Smart Math Calculator including precision control that allows results to be computed up to 1000 decimal digits or displayed as exact fractions such as 1/3. More advanced features include the possibility of defining recursive functions with base-case conditions and more.In Smart Math Calculator not only you can have multiple expressions at same time, but you can also assign the result of these expressions to variables and then use the variables in other expressions. You can also create your own functions that receive one or more parameters. If you try this utility, I am sure you will appreciate that this is a must have utility. To view a larger screen shot click here.