Leading Calculator & universal Converter.
EditByBSEditor: Leading Calculator & Universal Converter
You can compute in any currencies and units: masses, temperatures, distances, pressures, volumes, etc.

3 twelve-digit displays (one is fully customized)
Automatic and instant conversion (on the fly)
Double Precision maths: +, -, x, /, +/-, %, 1/x and sqrt
2 calculation modes: RPN (as HP calculators) and algeabric
Clear, STO/RCL and cut/paste with other applications
Log of the last ten operations you performed
Currency rates are refreshed every week via Internet
Compatible with all handhelds running PalmOS 3.0 or later. you can free download 2xCalc 5.3.4 now.