Shiny Code

library(shiny)
ui<-fluidPage(
  sidebarPanel(
    sliderInput("num","integer",1,200,5,step=1,animate = animationOptions(interval = 1000,loop = TRUE))),
  radioButtons("radio",label = h1("Choose one"),choices = list("Table"=1,"Even/Odd"=2,"Fact"=3),selected = 1),
  hr(),
  mainPanel(
    tableOutput("abc")
  )
)


server<-function(input,output)
{
 
    output$abc<-renderPrint({
      r<-input$radio
      x<-input$num
      if(r==1){
        for(i in 1:10)
        {
          cat(x,"X",i,"=",x*i,"<br>")
        }
      }else if(r==2)
      {
        if(x%%2==0)
        {
          print("Even")
        }else{
          print("Odd")
        }
      }
      else{
        print(factorial(x))
      }
    })
   
}   
   
shinyApp(ui=ui,server=server)