32 34405A User’s and Service Guide
2Features and Functions
Math Operations
The table below describes the math operations that can be 
used with each measurement function. 
• All math operations can be toggled on and off by 
re- selecting the same math operation.
• Only one math operation can be turned- on at a time. 
Selecting another math operation when one is already on 
turns off the first operation and then turns on the second 
math operation.
• All math operations are automatically turned- off when 
changing measuring functions.
• Range changing is allowed for all math operations.
• For remote operation, refer to the CALCulate Subsystem 
in the Agilent 34405A Online Programmer’s Reference 
online help. 
Measurement 
Function
Allowed Math Operations
Null dBm dB Min/Max Limit Hold
DCV
   
DCI
Ohms
ACV
   
ACI
Frequency
Capacitance
Te mp e rat ur e
Continuity
Diode
34405A users guide.book  Page 32  Saturday, September 2, 2006  3:38 PM