* using log directory 'd:/Rcompile/CRANpkg/local/2.4/Ryacas.Rcheck'
* using R version 2.4.1 (2006-12-18)
* checking for file 'Ryacas/DESCRIPTION' ... OK
* this is package 'Ryacas' version '0.2-6'
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking whether package 'Ryacas' can be installed ... ERROR
Installation failed.
The installation logfile:
This R is version 2.4.1
    package `Ryacas' requires R 2.5.0 or later