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Messages F-1
F
Messages
The calculator responds to certain conditions or keystrokes by displaying a
message. The
symbol comes on to call your attention to the message. For
significant conditions, the message remains until you clear it. Pressing
or
clears the message and the previous display content will be shown. Pressing any
other key clears the message but the function of the key will not be executed.
∫ A running program attempted to select a program label
(label) while an integration calculation was running.
∫ ∫ A running program attempted to integrate a program
(∫ variable) while another integration calculation
was running.
∫ A running program attempted to solve a program while
an integration calculation was running.
The catalog of variables ( () )
indicates no values stored.
You set a wrong guess number (like a complex number
or vector) when SOLVING equation for a variable.
The calculator is executing a function that might take a
while.
Allow you to verify clearing everything in memory.
Allows you to verily clearing the equation you are
editing. (Occurs only in Equation–entry mode.)
Allows you to verify clearing all programs in memory.
(Occurs only in Program–entry mode.)
Attempted to divide by zero. (Includes
if Y–
register contains zero.)
Attempted to enter a program label that already exists
for another program routine.