# How do you put a negative number on a HP 12c?

Category:
personal finance
retirement planning

Q: How do I enter a

**negative number**into one of the TVM keys on the**12C**? A: Well, the proper way to do it is by using the CHS (change sign) key. For example, to enter -1,000 into FV, press 1000 CHS FV. However, if you've got 0 in the x register (the stack), then you could also type 1000 and then -.

Furthermore, how do you reset an HP 12c calculator?

**To reset the calculator, follow the procedures below in the order presented.**

- 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.

**HP 12C**calculator and press the “Enter” key. Enter the second number and press the “X” key to

**multiply**the two numbers. Continue this step until you

**multiply**all numbers in the set.

In this manner, how do you do square root on hp12c?

**Square root** Calculates the **square root** of the number displayed in the X-register (page 83). Power function Raises the number in the Y-register to the power of the number in the X-register. Key in a number x. Press R.

**HP 12C Calculator - Setting a Fixed Decimal Place**

- Press and release the gold PREFIX key (f).
- Press the number key for the desired number of decimal places (0 through 9).