Errormessages; Low Batteryindicator; Memmory O; Continuous Memory - HP -11C Owner's Handbook Manual

Section 1: Getting Started 19
Error Messages
If you attempt a calculation using an improper parameter, such as
attempting to find the square root of a negative number, an error
message will appear in the display.
Keystrokes Display
4 [CFiS] -4
Error 0
[« -4.0000
For a complete listing of error messages and their causes, refer to
appendix A, Error Conditions. A summary of error messages is
printed on the calculator's back label.
To clear any error message, press [+](or any other key), then
resume normal calculator operation.
Low Battery Indicator
Whenever a flashing asterisk, which
indicates low power, appears in the
lower left-hand side of the display, * 0.0000
refer to Installing New Batteries,
page 231.
Memory
Continuous Memory
The Continuous Memory feature in your HP-11C maintains the
following even when the calculator is turned off:
¢ All numeric data stored in the calculator.
¢ All programs stored in the calculator.
® Display mode and setting.
¢ Flag settings.
® Position of the calculator in program memory.
® Any pending subroutine returns.
® Trig mode (Degree, Radian, or Grad).