Man pages sections > man1 > cas_help

cas_help - help for the giac/xcas computer algebra system

CAS_HELP(1) General Commands Manual CAS_HELP(1)

NAME

cas_help - help for the giac/xcas computer algebra system

SYNOPSIS

cas_help keyword
 
en_cas_help keyword
 
es_cas_help keyword
 
fr_cas_help keyword
 

DESCRIPTION

This is the help engine of the symbolic and numeric calculator giac by Bernard Parisse. It is avaible in some different languages.
 

EXAMPLE

cas_help gcd
Help for gcd:
 
gcd((Intg(a) or Poly),(Intg(b) or Poly))
 
Returns the greatest common divisor of 2 polynomials of several variables or of 2 integers or of 2 rationals.
 
See also: 1/ lcm 2/ euler 2/ modgcd 3/ ezgcd 4/ psrgcd 5/ heugcd 6/ Gcd
 
Ex1:gcd(45,75)
 
Ex2:gcd(15/7,50/9)
 
Ex3:gcd(x^2-2*x+1,x^3-1)
 
Ex4:gcd(t^2-2*t+1,t^2+t-2)
 
Ex5:gcd((x^2-1)*(y^2-1)*z^2,x^3*y^3*z+(-(y^3))*z+x^3*z-z)
 
 

SEE ALSO

icas(1), xcas(1)
 

AUTHORS

giac is written by Bernard Parisse. http://www-fourier.ujf-grenoble.fr/~parisse/giac.html
 
This manual page was written by Carleos Artime <carleos@pinon.ccu.uniovi.es> and Ximin Luo <infinity0@debian.org> for the Debian GNU/Linux system (but may be used by others).
 

LICENSE

GPLv3+
2017-02-08 Debian Sid