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<span style="font-weight: bold;">math.eval</span> is a math library extension. <br />

<span style="font-weight: bold;">math.eval</span> is a math library extension. <br />

The function calls the math server with the specified arguments and returns the a numerical result if possible.<br>  

The function calls the math server with the specified arguments and returns the a numerical result if possible.<br>  

'''Example''' : To evaluate ''f1'' for a given value in x, the parameter x must be converted to a string, and then any embedded "e" must be replaced with Unicode character U+F000. <br />

'''Example''' : To evaluate ''f1'' for a given value in x, the parameter x must be converted to a string, and then any embedded "e" must be replaced with Unicode character U+F000. <br />

<source lang="lua">local mx = tostring(x):gsub("e", string.uhar(0xF000))

<source lang="lua">local mx = tostring(x):gsub("e", string.uchar(0xF000))

local expr = "f1(" .. mx .. ")"

local expr = "f1(" .. mx .. ")"

return math.eval(expr)</source>  

return math.eval(expr)</source>  

== See also ==

== See also ==

[[math.evalStr]]

[[math.evalStr]]