HP 49g+ - Manual (Page 81)

Page 5-3
In ALG mode, the following keystrokes will show a number of operations with
the algebraics contained in variables
@@A1@@ and @@A2@@ (press J to recover
variable menu):
@@A1@@ + @@A2@@ ` @@A1@@ + @@A2@@ `
@@A1@@ 8 @@A2@@ ` @@A1@@ / @@A2@@ `
‚¹@@A1@@ „¸v
The same results are obtained in RPN mode if using the following keystrokes:
@@A1@@ ` @@A2@@ `+ @@A1@@ `@@A2@@ ` -
@@A1@@ `@@A2@@ `* @@A1@@ `@@A2@@ ` /
@@A1@@ ` ‚¹ @@A2@@ `„¸