Question about Texas Instruments TI-30 XIIS Calculator

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It's marked (-) and is on the bottom row of the keyboard, to the right of the decimal point.

Posted on Oct 15, 2010

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Posted on Jan 02, 2017

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For integer powers of 10 you can use the EE shortcut. [2nd][,] displays E.

For non-integer values of the exponent (such as -5.34) you must use the key sequence [2nd][LOG] (10^x) then enter your negative non-integer exponent.

For non-integer values of the exponent (such as -5.34) you must use the key sequence [2nd][LOG] (10^x) then enter your negative non-integer exponent.

Jan 16, 2012 | Texas Instruments TI-84 Plus Silver...

To enter a power of 10 use the key EE

For 9.1x10^(-31): type 9.1 [EE] [(-)] 31. Here [(-)] is the change sign key.

For 9.1x10^(-31): type 9.1 [EE] [(-)] 31. Here [(-)] is the change sign key.

Sep 13, 2011 | Texas Instruments TI-30 XIIS Calculator

For common log, use the LOG key. For natural log, use the LN key. In either case, enter (or calculate) the value of the argument and then press the appropriate key.

To calculate the common log of 2, press 2 LOG =

To calculate the natural log of 2, press 2 LN =

To calculate the common log of 2, press 2 LOG =

To calculate the natural log of 2, press 2 LN =

Sep 08, 2011 | Texas Instruments TI-30XA Calculator

Use the +- key to the right of the decimal point to enter negative values and to change the sign of an existing value. For your sample:

2 EE +- 3 LOG +- =

2 EE +- 3 LOG +- =

Nov 15, 2010 | Texas Instruments TI-30XA Calculator

Please use the following link to download the manual for your calculator.

http://www.devicemanuals.com/guide/Calculator/HP/HP-20s-Scientific-Calculator-Owner's-Manual-==TVRFME5UWTE=.html

http://www.devicemanuals.com/guide/Calculator/HP/HP-20s-Scientific-Calculator-Owner's-Manual-==TVRFME5UWTE=.html

Aug 28, 2010 | HP 20s Calculator

If you don't see the negative key, the other way to access is by pressing (2nd)key+(zero) key. And then hit the up arrow key. It should be around the 7 or 8 up key.

Aug 19, 2010 | Texas Instruments TI-84 Plus Calculator

The natural log is the LN key, located just to the left of the 7 key.

To calculate the common log, use the relationship log(x) = ln(x)/ln(10).

To calculate the natural log of 3, press 3 LN

To calculate the common log of 3, press 3 LN / 1 0 LN =

To calculate the common log, use the relationship log(x) = ln(x)/ln(10).

To calculate the natural log of 3, press 3 LN

To calculate the common log of 3, press 3 LN / 1 0 LN =

Aug 09, 2010 | Texas Instruments BA-II Plus Calculator

Yes, there is a [LOG] key to calculate decimal logarithms (logs in base 10) it is marked LOG, and another key marked [LN] to calculate the natural logarithms (logs in base e).

You enter a positive number, then press the appropriate log key (LOG or LN) and the result will be displayed.

You enter a positive number, then press the appropriate log key (LOG or LN) and the result will be displayed.

Jul 25, 2010 | Texas Instruments TI-30XA Calculator

Since I do not know what Kenko calculator you have I will remain general.

Locate a key marked log (for common decimal logarithm)

Try the two options. One of them is bound to work

If no key is marked on top of it with LOG or LN, it may be because those markings are ON the body of calculator. In that case the functions are accessed by pressing a key marked SHIFT or 2ND, or 2ndF before the function LOG or LN.

Locate a key marked log (for common decimal logarithm)

Try the two options. One of them is bound to work

- Enter a positive number and press the key marked LOG.
- If that does not work, press the LOG key and then enter a positive number. If the calculator displayed log( , with a left parenthesis, insert a right parenthesis before pressing the = key.

If no key is marked on top of it with LOG or LN, it may be because those markings are ON the body of calculator. In that case the functions are accessed by pressing a key marked SHIFT or 2ND, or 2ndF before the function LOG or LN.

Jun 25, 2010 | Casio FX-260 Calculator

To use the log function you press the [LOG] key in the middle of the first row of keys.

To use it.

Enter the number the log of which you want to calculate (must be positive)

Press the [LOG] key

Result is displayed.

Ex log(33.54)

33.54 [LOG] result is 1.5255

Once a logarithm has been calculated, use the [+/-] key, the change sign key located between the [.] and the [=] keys, on the bottom row of keys. You must press the change sign after you have calculated the logarithm.

To use it.

Enter the number the log of which you want to calculate (must be positive)

Press the [LOG] key

Result is displayed.

Ex log(33.54)

33.54 [LOG] result is 1.5255

Once a logarithm has been calculated, use the [+/-] key, the change sign key located between the [.] and the [=] keys, on the bottom row of keys. You must press the change sign after you have calculated the logarithm.

Mar 01, 2010 | Texas Instruments TI-30XA Calculator

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