A mortgage for a house purchased for **${formatMoney(amount)}** at an interest rate of **${interest}%** over **${duration} years** costs a total of **${formatMoney(amount*(1+interest/100)**duration)}**
<p>We can also use variables within HTML tags, however, for example to change <spanstyle="color:${color}; font-weight:${weight};font-style:${italics}">this text to be styled differently and have different colors</span>. You can change it with the controls below!</p>
## Backticks for cell modes
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.