Short description of Sicyon Lite calculator 4.5: Sicyon is all-in-one scientific calculator for every researcher and engineer. The core of Sicyon is an expression (VBScript/JScript) calculator with features as: estimate a function using variables, user-defined functions and Sicyon objects; plot/tabulate a function; solve a equation, min, max and definite integral of a function; fit a function; sophisticated units converter; constants database; matrix operation; plugin tools.