In our use case, we allow end users to create their own formula for transposing readings coming in from a device into the unit of measure they want to see. For instance, our device can measure milliamps 0 - 24. This device can be set up to monitor a tank of water with a pump attached. The user can create a formula to transpose the reading of say 7 milliamps from the device, into feet of water that is in the tank.
How do I get a string (“5 * 2.1625 - 8.65”) to evaluate in a workflow?