Sicyon Programmable Scientific Calculator
calculate the value of a math expression using variables and user-defined functions.
Program mode' allows you to execute pieces of VBScript™ code in the main window.
   
 Expression Panel  System Equations
   
 Variable field  Value Area
   
 Sample Input    L*sqrt((L/2)^2+H^2)+W*sqrt((W/2)^2+H^2)+(L*W)