- #HP 10BII FINANCIAL CALCULATOR DISPLAY ERROR HOW TO#
- #HP 10BII FINANCIAL CALCULATOR DISPLAY ERROR FREE#
However, sometimes we need to use other bases. How do I calculate logarithms to other bases (say, base 10)?Ī: Most often, in finance, we use natural logarithms (base e), usually abbreviated as Ln(x). Q: My calculator only has a key to calculate natural logarithms. Using this technique you can calculate any root. Note that after you press y x the screen will say "Pending" because the calculator is waiting for you to complete the data entry. In this example, the 5th root of 100 equals 2.51189. To do this on the 10B type: 100 y x 5 1/x =. So, to calculate the 5th root of 100, we simply raise 100 to the 1/5th power. Fortunately, this is pretty simple to do if you can remember a simple mathematical rule: In finance it seems that we are forever calculating various roots (cube root, fourth root, 365th root, etc). Q: How do I find roots other than square roots using the HP 10B (or 10BII)? You can press the C key to exit from edit mode. Press the Input key after typing the new value to enter it into the list. Any time that you have a particular cash flow or frequency showing on the screen you can type in a new value for that cash flow or frequency. The - key will move you backwards in the list. Press the + key to move down the list to CF1, then the frequency of CF1, then CF2, and so on. That will put you into edit mode and you will see CF0 on the screen. Q: How can I review and edit cash flows that I have entered into the CFj key?Ī: After entering your cash flows, press RCL and then CFj. For example, to enter -1,000 into FV, press 1000 +/- FV. Q: How do I enter a negative number into one of the TVM keys on the HP 10B (or 10BII)?Ī: The way to do it is by using the +/- (change sign) key. Using the links to will save you money and help support this site. Do yourself a favor and purchase them online as you will save a lot of money compared to buying from your local store.
In both cases the batteries are very easy to change by simply opening the battery cover on the back side of the calculator. The HP 10BII (newer version) uses two 2032 batteries. The HP 10B (the older version) uses three 357 batteries. Q: What batteries does the HP 10B or HP 10BII use? For example, to display five decimal places, press Shift = 5. Q: How do I change the number of decimal places that are displayed?Ī: Simply press Shift = and then a number key. Obviously, the 10B (and 10BII) was created with worldwide users in mind. Interestingly, as far as I can tell this has nothing to do with the side of the road on which you drive. For a complete list, see the decimal separator article on Wikipedia. Many other countries do exactly the opposite. and many other countries, we use a decimal point as the radix point (or decimal separator) and a comma as the thousands separator. (decimal point).Ī little background on this.
#HP 10BII FINANCIAL CALCULATOR DISPLAY ERROR HOW TO#
Here is how to solve the problem: Press Shift. I wish I knew how people got themselves into this situation, because it seems unlikely that it could happen by accident. How do I fix this problem?Ī: This is easily the most commonly asked question. Q: My 10B (or 10BII) is showing a comma instead of a decimal point. I will compile a list of the most frequently asked questions here. Over the years, I have received many questions about financial calculators.
#HP 10BII FINANCIAL CALCULATOR DISPLAY ERROR FREE#
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