Creating a calculator to display the summation of two numbers

Let's start with an example. David Guzman is working as a system administrator at Universal Containers. He wants to develop an application using a flow to calculate the summation of two numbers. What he wants is this: on the first screen, he wants to allow users to enter two numbers and display the summation of it on the next screen. Perform the following instructions to develop a flow for the preceding business requirement:

  1. Go to Setup (gear icon) | Setup | PLATFORM TOOLS | Process Automation | Flows.
  2. Click on the New Flow button; it will open the flow canvas for you.
  3. Then navigate to the Palette tab and drag and drop Screen element to the canvas; it will open a Screen element window ...

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