`[http://core.tcl.tk/tcllib/doc/trunk/embedded/www/tcllib/files/modules/math/calculus.html%|%math::calculus]`, in [Tcllib%|%Tcllib's] [math] module, implements several mathematical algorithms. ** Documentation ** [http://core.tcl.tk/tcllib/doc/trunk/embedded/www/tcllib/files/modules/math/calculus.html%|%official reference]: ** Description ** Algorithms include: * Integration of a function over an interval. * The numerical integration of a system of ordinary differential equations. * Estimating the root(s) of an equation of one variable ** See Also ** [Newton-Raphson Equation Solver]: Duplicates a function but may be easier to implement or to use for teaching. [Numerical Analysis in Tcl]: [Numerical array operations]: <> Mathematics