B4J Question Evaluating a math expression given in string, HELP??

Roycefer said:

Have you looked at the ExpressionEvaluator and B4X Evaluator libraries? https://www.b4x.com/android/forum/threads/class-b4x-eval-expressions-evaluator.54629/#content

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Daestrum said:

You could also use my Nashorn library
define a js function like

B4X:

function evaluate(a,b){
    return new java.lang[b](eval(a))
}

This also allows you to specify the data type for the return
so you call it by

B4X:

   script.invoke("evaluate",Array("Math.sqrt(12*(14-6)/7)","Float"))

And in this case it will return a float value.
(You can use Double,Float,Integer,String etc)

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