Examples HP-PrimeCAS versus xCAS - Printable Version +- HP Forums (https://www.hpmuseum.org/forum) +-- Forum: HP Calculators (and very old HP Computers) (/forum-3.html) +--- Forum: HP Prime (/forum-5.html) +--- Thread: Examples HP-PrimeCAS versus xCAS (/thread-6634.html) Examples HP-PrimeCAS versus xCAS - compsystems - 07-31-2016 04:10 AM Sorry for my bad English Source https://www-fourier.ujf-grenoble.fr/~parisse/giac/doc/fr/tutoriel/tutoriel001.html HPPrimeCAS (CAS March 14 2016) xCAS (xcas 1.2.2-75) Installer xcasunst.exe https://www-fourier.ujf-grenoble.fr/~parisse/giac/xcasunst.exe Example 1: 1/3+1/4 [enter] CAS: Simplify: None returns 7/2 xCAS: Autosimplify: nop returns 7/2 2: (sqrt(2))^5 [enter] CAS: Simplify: None returns √(2)*2^2 xCAS: Autosimplify: nop returns sqrt(2)*2^2 Same in both cases 2.1: (sqrt(2))^5 [enter] CAS: Simplify: Minimum returns √(2)*4 xCAS: Autosimplify: regroup returns sqrt(2)*4 3: solve(a*x^2+b*x+c,x) CAS: Simplify: None returns Warning, argument is not an equation, solving a*x^2+b*x+c=0 {((1/2)*(-b+√(-4*a*c+b^2))/a),((1/2)*(-b-√(-4*a*c+b^2))/a)} xCAS: Autosimplify: nop returns Warning, argument is not an equation, solving a*x^2+b*x+c=0 list[(sqrt(-4*a*c+b^2)-b)/(2*a),(-(sqrt(-4*a*c+b^2))-b)/(2*a)] the none/nop simplification does not work, Why? 3.1 solve(a*x^2+b*x+c=0,x) CAS: Simplify: Maximum returns { ((-b+√(-4*a*c+b^2))/(2*a)), ((-b-√(-4*a*c+b^2))/(2*a))}