Question about Texas Instruments BA-II Plus Calculator

There is no log key, but there is a short cut.

hit diamond 7, and you will get log.

Posted on Oct 20, 2010

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Posted on Jan 02, 2017

1.393 is the correct answer for the natural log of (1/37 + 4). I believe you want natural log(1/37) + 4, which is .3891 .

Watch those parenthesis. By putting the "+4" inside, you're doing the addition before calculating the log. You want to calculate the log and then add 4.

Watch those parenthesis. By putting the "+4" inside, you're doing the addition before calculating the log. You want to calculate the log and then add 4.

Nov 27, 2012 | Texas Instruments TI 30XIIS Scientific...

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

You can calculate the log to any base B by dividing the base-10 log by the log-base-10 of the base B. You can also calculate it by dividing the natural log by the natural log of B.

For example, to calculate the base-3 log of 10, calculate

log(10) / log(3)

or

ln(10) / ln(3)

For example, to calculate the base-3 log of 10, calculate

log(10) / log(3)

or

ln(10) / ln(3)

Jul 20, 2011 | Casio FX-65 Calculator

There isn't one. You can calculate the common log by using the relationship

log(x) = ln(x) / ln(10)

That is, calculate the number's natural log and divide it by the natural log of 10. The natural log is the shifted function of the 8 key.

log(x) = ln(x) / ln(10)

That is, calculate the number's natural log and divide it by the natural log of 10. The natural log is the shifted function of the 8 key.

Feb 01, 2011 | Casio FC-200V Scientific Calculator

For the inverse natural log, press 2nd LN. For the inverse common log, press 2nd LOG.

For example, to calculate the inverse natural log of 2, press 2nd LN 2 ENTER and you'll get about 7.389 .

For example, to calculate the inverse natural log of 2, press 2nd LN 2 ENTER and you'll get about 7.389 .

Jan 25, 2011 | Texas Instruments TI-86 Calculator

The BA II+ does not have a key for the common logarithm function. You can calculate the common log of a number by calculating its natural log and then dividing by the natural log of 10.

log10(x) = ln(x)/ln(10)

The same procedure works for logarithms to any base.

log10(x) = ln(x)/ln(10)

The same procedure works for logarithms to any base.

Dec 14, 2010 | Texas Instruments BA II PLUS Financial...

The 10bII does not have a key for the common logarithm function. You can use the natural logarithm function (LN, the shifted function of the 2 key) to compute the common logarithm of a number using the relationship

log(x) = ln(x)/ln(10)

In words, calculate the natural log of the value and divide it by the natural log of ten.

log(x) = ln(x)/ln(10)

In words, calculate the natural log of the value and divide it by the natural log of ten.

Nov 06, 2010 | HP 10bII 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

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 =

Jun 11, 2010 | Texas Instruments BA II PLUS Financial...

I noticed that this calculator doesn't have a natural logarithm function as well. You can can always use the fact that

ln x = (log x) /log e or since log e is approximately .43429482

ln x = (log x)/.43429482. The greatest solution and it might be worth the 15 bucks or so to get a calculator with e^x and the natural logarithm function.

ln x = (log x) /log e or since log e is approximately .43429482

ln x = (log x)/.43429482. The greatest solution and it might be worth the 15 bucks or so to get a calculator with e^x and the natural logarithm function.

Feb 20, 2009 | Texas Instruments TI-30XA Calculator

Sep 11, 2014 | Texas Instruments BA-II Plus Calculator

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