The new Office OneNote 2007 has a built-in Calculator, really nice stuff!
To try it out, just write a mathematic formula in a page and end with an equals sign followed by enter or space, for example:3+2=This will result in a row like this:3+2=5
It is quite powerful, it can handle operations like:
+, -, /, * parenthesis so you can do formulas like this (3+3)*3=18 ^, for example 10^3=1 000 sqrt(n) for square root sin(n), asin(n), cos(n), acos(n), tan(n), atan(n) mod for modulus And I’m sure there are more…