For Mac, I'm a big fan of Numi. You can assign results to variables, use those variables in more calculations, and if you go back and edit a definition, the cha

For Mac, I'm a big fan of Numi. You can assign results to variables, use those variables in more calculations, and if you go back and edit a definition, the changes immediately propagate to any other expression using that variable. https://numi.app/ https://numi.app/