Written by Bob Mecham.
To take the AccuDraw with Popup Calculator another step further than Complex Expressions.
Popup Calculator has an added feature allowing the user to create a shortcut of commonly used values to a list. As a default “pi” (3.141592653590) has already been added to the list as a custom value.
![Customizing Values in Popup Calculator using pi Customizing Values in Popup Calculator using pi](https://envisioncad.com/wp-content/uploads/2013/01/11.jpg)
Viewing Defined Variables
- Using the key-in “popcalc variable show”. The Message dialog will appear with pi defined.
![Keyin Popup Calculator values Keyin Popup Calculator values](https://envisioncad.com/wp-content/uploads/2013/01/21.jpg)
![Popup Calculator value messages Popup Calculator value messages](https://envisioncad.com/wp-content/uploads/2013/01/31.jpg)
Creating New Variables
- Using the key-in “popcalc variable save <name> <value>”
For example conversions from feet to meters and back:
popcalc variable save m2f 3.2808
![popcalc keyin meters to feet popcalc keyin meters to feet](https://envisioncad.com/wp-content/uploads/2013/01/41.jpg)
![AccuDraw meters to feet Popup Calculator AccuDraw meters to feet Popup Calculator](https://envisioncad.com/wp-content/uploads/2013/01/51.jpg)
popcalc variable save f2m 0.3048
![popcalc keyin feet to meters popcalc keyin feet to meters](https://envisioncad.com/wp-content/uploads/2013/01/6.jpg)
![AccuDraw feet to meters Popup Calculator AccuDraw feet to meters Popup Calculator](https://envisioncad.com/wp-content/uploads/2013/01/7.jpg)
![Messages for Popup Calculator Messages for Popup Calculator](https://envisioncad.com/wp-content/uploads/2013/01/8.jpg)
Deleting Variables
- Using the key-in “popcalc variable delete <name>”
Depending on what design work you are doing this added function in Popup Calculator can be useful.
Where are the new PopCalc key-ins stored? They are disappearing when I exit Microstation.