I have originally posted this question here on StackOverflow:

https://stackoverflow.com/questions/54764607/include-a-scilab-function-script-as-a-block-in-xcos-scicos
As the title says I want to include a block where I can run a scilab expression/function/script given certain inputs. I can see xcos/scicos can include C, Fortran and Modelica. There is a Expression block, but the functions are pretty limited:

sin, cos, tan, exp, log, sinh, cosh, tanh, int, round, ceil, floor, sign, abs, max, min, asin, acos, atan, asinh, acosh, atanh, atan2, log10.

for example if I want to solve a second order equation of ax^2+bx+c=d there are no sqrt or power/^ operators/functions! Ideally I want to just run a Scilab script/function where I can have complete freedom. I would appreciate if you could help me know if

there is such a block in either xcos or scicos.

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