You can store values in any of the ten  memory registers R0 to R9. To display the memory registers, choose
ViewMemory Registers.
describes the memory functions that you can use.FunctionButtonDescriptionExampleResultStore Value in Memory RegisterStoStores the current contents of the display area in the specified memory register. Click Sto, then select a memory register from the popup menu.To clear a memory register during a  session:Click Clr.Click Sto.Select the memory register from the popup menu.22 StoR2The value 22 is stored in memory register R2.Retrieve Value From Memory RegisterRclRetrieves the contents of the specified memory register. Click Rcl, then select the memory register from the popup menu.0 RclR2The value in the display area is 22.Exchange Memory Register Value and Displayed ValueExchExchanges the contents of the specified memory register and the current value in the display area. Click Exch, then select the memory register from the popup menu.44 ExchR2The value in the display area changes from 44 to 22, the value in R2 changes from 22 to 44.If you use keyboard shortcuts, you can use the keyboard to specify the memory register, as shown in the following examples: Keyboard EntryDescriptionS2Stores the current contents of the display area in memory register R2.R2Retrieves the current contents of memory register R2 into the display area.X2Exchanges the current value of the display area with the contents of memory register R2.
