Parses a new expression
Warning
uCalc API Preview Release Notice:The uCalc engine has successfully transitioned to modern cross-platform environments.The next phase envolves some structural changes, performance optimizations, and API refinements.The API is subject to breaking changes prior to the stable release. Please evaluate the preview version thoroughly before production use.
The current expression object
This allows you to associate a different expression with the same object. The previous expression is released internally first.