fix Ceil() translation in RForm() related https://github.com/r-cas/ryacas/issues/48
fix Ceil() translation in RForm()
related https://github.com/r-cas/ryacas/issues/48

grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas,grzegorzmazur/yacas