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   Maxima 5.27 change log

   Backwards-incompatible changes:

 * remove obsolete Cray Fortran translator

 * rename topoly and to_poly_solver to to_poly and to_poly_solve, respectively

   New items in core:

 * new functions zn_order, zn_primroot_p, zn_primroot, zn_log, chinese

   New items in share:

 * package rkf45: Runge-Kutta-Fehlberg 4th-5th order numerical o.d.e. solver

   Other changes:

 * functions bessel_i, bessel_j: results for imaginary arguments

 * function build_info: return a structure instead of just printing its data

 * function plot3d: allow 3-d parametric plots
 * functions fortmx, f90mx: generate assignments to 1-d array when argument is a list

 * package ezunits: update values for physical constants

 * revise and update documentation

 * reorganization of directory maxima/share

 * clean up source code by cutting out unused functions

   Bug fixes:

 3509430: limit of tanh(x) at 0 makes no sense
 3497046: Integration of products of sin(nz)/(nz) sometimes fails
 3495182: hgfred([-n/2, (n-1)/2],[1],x) --> error
 3484414: display places (false) before output if display2d is false
 3480954: integrate(sin(x)^2/x,x,minf,inf) gives not zero
 3473549: gcl bug using 1-12-2012 defint.lisp
 3470668: Integration is not correct: invalid 'false' term in results
 3469184: integrate(exp(-x^n),x,0,1) bug for n >2
 3449369: nfloat
 3397562: sin(x^2)/(x^2) improper integral incorrect?
 mailing list 2012-02-27: print ( false ) bug 5.26.0
 mailing list circa 2012-02-19: BIGFLOAT::%TO should pass CL complex numbers
 mailing list circa 2012-01-27: nonstandard extension in category scripts
 mailing list circa 2012-01-09: invert_by_lu does not work as expected
 overflow in regularized incomplete gamma function
 incorrect value for gamma_incomplete(0,200*%i)