The SpeedTest program is used to test the speed of Java code on various computer platforms. It runs tests such as 500,00 sin & cos calculations, allocate an array of 5,000 doubles 50,000 times, and allocate an array of 50,000 points 20 times.
Expression4J (Math Expression Parser) is a java framework used to manage mathematic expression stored in String object like "f(x,b)=2*x-cos(b)" or "g(x,y)=f(y,x)*-2". Expression gramar can be define by user (add new operator or type ...)