Certain functions use value memories for results. If you use these functions in a program you must make sure that you are not using the value memories for something else. So here is a list of what functions use which memories. Not all models have all the following functions.
| Function | Memories |
| Rec( | I,J |
| Pol( | I,J |
| d/dx | F,G,H |
| integration | K,L,M,N |
| Single Variable Stats | U,V,W |
| Paired Variable Stats | P,Q,R,U,V,W |
| Graph,Plot,Line etc. | T,X,Y,r,theta |