## How do I clear my HP 12c Platinum calculator?

Resetting the calculator using the keyboard

- Press ON to turn off the calculator.
- Press and hold [ – ].
- Press and release ON.
- Release [ – ].
- The screen will display “Pr Error”
- The calculator will reset to the default settings, and the memory will be erased.

## How do I clear my HP financial calculator?

Resetting the calculator using the keyboard

- Press and hold [C].
- Release all three keys at the same time.
- The calculator will go blank, and then display “CORP HP 2000.”
- The message will disappear and the calculator will display “ALL CLEAR.”
- Press the [ON] key to clear the message.

**What does ALG mean on hp12c?**

Introduction. The HP 12c Platinum calculator can be set to perform arithmetic operations in either RPN (Reverse Polish Notation) or ALG (Algebraic) mode.

### Why does my hp12c say begin?

For the HP 12c to solve problems involving leases or annuities due, it must be in ‘Begin’ mode. When the HP 12c is in ‘Begin’ mode, the word ‘BEGIN’ will show in the display. To reset the calculator for ordinary annuities, press .

### How do I Master clear the HP 12c?

The “master clear” of the HP 12c is accomplished when the following sequence is executed: 1 With the calculator off, press and hold . 2 Turn the calculator on. 3 Release .

**How do I perform a paperclip reset on my HP 12c?**

A paperclip reset can be performed on all HP 12C calculators with serial numbers before CN11500001. This will include serial numbers that start with numbers or with other letters. These calculators will have three 1.5 volt button cell batteries. Follow these steps for calculators in this serial number range: Remove the battery door.

## How do I perform a coin reset on my HP 12c calculator?

The display should read “Pr Error”. Press and release the ON key twice. A coin reset can be performed on all HP 12C calculators with serial numbers after CN11500001. These calculators will have one CR2032 battery.

## How do I change the number of decimals on my HP 12c?

The HP 12c allows the number of decimal digits of the number in the display to be changed with the following keystroke sequence: [number key] where [number key] refers to any key from to. Example 1 Calculate 4/7 and show the resulting value with four, six and seven digits after the radix mark.