Add a chart or graph in google spreadsheet cells

=ARRAYFORMULA(SPARKLINE(D3:3))

Learn how to Creates a chart or graph contained within a single cell to visualize your data. 

Google has introduced the Sparkline Charts in Google Spreadsheet in 2012. Sparklines are small, lightweight and cell-sized graphics charts. Want more information about Sparkline Charts Click here: GoogleHelp

Formula syntax is:

=sparkline(data range,[options])

example: SPARKLINE(A2:E2, {"charttype","bar";"max",40})