SERV.LOCI

library(shiny)

ui <- fluidPage(
  actionButton("Show","Show model dialog")
)

server <- function(input, output, session) {
  observeEvent(input$Show,{
    showModal(modalDialog(title = "Popup Message",footer = "AN important message to show",easyClose = TRUE))
  })
}

shinyApp(ui, server)

You can use interactive calculator using multiple way.

# Using python interactive terming 
# using bc command 

You can find this at https://online.pnbmetlife.com/meratermplan  

What is benefit of such type of content ?

This type of content is offering maximum answers without disturbing too much space. It is also very interactive, easy to use and contain near all possible question. QA style content are now featured in snippets which improve the CTR and organic ranking boot. Let user visit least distance to find the desired result.

You can replicate this type of content for your product/service.

SaffronStays raises Pre-Series A Funds – Read more at https://www.newsbarons.com/hospitality/saffronstays-raises-pre-series-a-funds/

BookMyShow gets $100 million in Series D funding –   

GOGOVAN raises $250 million from InnoVision Capital, others – https://techstory.in/gogovan-raises-250-million-innovision-capital-2018/

SRI Capital launches $100 million tech fund for American and Indian markets – https://www.livemint.com/Companies/4i2i6RS7paI0DgwwNjTXWP/SRI-Capital-launches-100-million-tech-fund-for-American-and.html

The fund has already invested in three startups in the country—LetsMD, a fintech company in the healthcare sector ($1 million); IndianMoney, a Bangalore-based financial education company (up to $3 million); and SportsFlashes, a sports content application (up to $1 million).

Whenever any customer order food on zomato , 10% of purchase value will be credited to respective z-balance(zomato balance). Additionally Re 1 /order will be part of philanthropy. It is dual exciting. Saving and Satisfaction which automatically result into brand affinity.

I consider this product as good example of retention product. Know more about it here –   https://t.co/I4xs5NHHwd