HP 0012C-90001 User Manual

24242424 Section 1:Section 1:Section 1:Section 1: Getting StartedGetting StartedGetting StartedGetting StartedLater that same day …KeystrokesKeystrokesKeystrokesKeystrokes DisplayDisplayDisplayDisplay; 2,500.00 Turns the calculator back on.:1 3,250.00 Recalls the cost of the computer to thedisplay.6μ 19,500.00 Multiplies the quantity ordered to getthe cost of the computers.:2 2,500.00 Recalls the cost of the printer to thedisplay.+ 22,000.00 Total invoice.Clearing Storage RegistersClearing Storage RegistersClearing Storage RegistersClearing Storage RegistersTo clear a single storage register — that is, to replace the number in it withzero — merely store zero into it. You need not clear a storage register beforestoring data into it; the storing operation automatically clears the register beforethe data is stored.To clearall storage registers at once — including the financial registers, the stackregisters, and the LAST X register — press fCLEARH.* This also clears thedisplay.All storage registers are also cleared when Continuous Memory is reset (asdescribed on page 70).Storage Register ArithmeticStorage Register ArithmeticStorage Register ArithmeticStorage Register ArithmeticSuppose you wanted to perform an arithmetic operation with the number in thedisplay and the number in a storage register, then store the result back into thesame register without altering the number in the display. The hp 12c enables youto do all this in a single operation:1. Press ?.2. Press +, -, μ, or z to specify the desired operation.3. Key in the register number.When storage register arithmetic is performed, the new number in the register isdetermined according to the following rule:* CLEARH is not programmable.