Duco Duco is a standard four-function calculator with one key difference -- it works in Roman Numerals
Geo-Matic Complete No other app allows the quick and easy calculation of so many geometric objects in so many different ways!
CHEMiCALC CHEMiCALC - This patented chemical calculator will save chemists and chemistry students time and reduce errors for many routine chemical calculations. Use and explore the Element Properties database and graph periodic trends of any one of 18 element properties
PalmPlot Graphic calculator with colour plots, built-in solver, table of values and statistics
VisualCalc Pro VisualCalc Pro is an advanced programmable scientific calculator with complex, array and matrix operations and graphing. VisualCalc Pro is one of the fastest advanced math packages for PalmOS