Question about Texas Instruments TI-30XA Calculator

1 + 4 7 0 0 * (-) 4 2nd [e^x] =

(-) is the key to the right of the decimal point key.

e^x is the shifted function of the LN key on the top line.

Posted on Mar 24, 2011

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Posted on Jan 02, 2017

Press

2 4 9 * 2nd LN 0 . 2 4 =

The "0" isn't really necessary. The formula as written implies the multiplication between the 249 and the e, the calculator requires the multiplication.

2 4 9 * 2nd LN 0 . 2 4 =

The "0" isn't really necessary. The formula as written implies the multiplication between the 249 and the e, the calculator requires the multiplication.

Oct 14, 2012 | Texas Instruments TI-30XA Calculator

It seems to me that it is doing its calculations correctly: 645,16 happens to be just the square of 25.4. Which makes me believe that you must have pressed the square key (maybe you did not notice).

Aug 27, 2011 | Casio FX-115ES Scientific Calculator

Your calculator has three keys, next to which are the following markings:n! , nCr, and nPr. The one with the exclamation point is for factorials. The second is for combinations, and the third with permutations.

Syntax of the command.

If the markings are on the keys, the functions are accessed directly. If the markings are on the body of the calculator, you access the functions by pressing SHIFT and the key.

12 [!] gives 12 factorial

12 [nCr] 4 gives the combinations of 12 objects taken 4 at a time (order not important)

12 [nPr] 4 gives the permutations of 12 objects taken 4 at a time (order is important.)

Syntax of the command.

If the markings are on the keys, the functions are accessed directly. If the markings are on the body of the calculator, you access the functions by pressing SHIFT and the key.

12 [!] gives 12 factorial

12 [nCr] 4 gives the combinations of 12 objects taken 4 at a time (order not important)

12 [nPr] 4 gives the permutations of 12 objects taken 4 at a time (order is important.)

Jun 09, 2011 | Texas Instruments TI-30XA Calculator

Contact Dimplex USA, Technical Service 888-346-7539. I'm sure that they can help you.

Hope this helped you.

Hope this helped you.

Mar 14, 2011 | Heating & Cooling

Hello,

There is a rule of Algebra, that says

**(a^m)[x] (a^n) = a^(m+n) **

a is the base of the power, n, and m are the exponents. As you can see, multiplying two powers of the same base is equal to the power of the (common) base with the sum of the exponents.

If that is what you had in mind, the calculator uses the rule correctly and no intervention from you is necessary.

**If you enter (2^4)[x](2^6), the calculator will give 1024, which is 2^10. **

I may be wrong, but what you call add exponents refers really to performing addition where addends (the terms you add) are arbitrary powers, such as

2^7 + (5.5^3) - (1/3)^4

Once you enter a power term, the calculator calculates it and the result is now just a number. It can be added, subtracted, multiplied

For the exemple above

2 [Y to the x] 7 + (5.5)[Y to the x] 3 -(1/3) [Y to the x] 4 [=] yields 294.3626543

For the cube of 5.5 you can use the key combination [2nd][X^3]

Hope it helps.

There is a rule of Algebra, that says

a is the base of the power, n, and m are the exponents. As you can see, multiplying two powers of the same base is equal to the power of the (common) base with the sum of the exponents.

If that is what you had in mind, the calculator uses the rule correctly and no intervention from you is necessary.

I may be wrong, but what you call add exponents refers really to performing addition where addends (the terms you add) are arbitrary powers, such as

2^7 + (5.5^3) - (1/3)^4

Once you enter a power term, the calculator calculates it and the result is now just a number. It can be added, subtracted, multiplied

For the exemple above

2 [Y to the x] 7 + (5.5)[Y to the x] 3 -(1/3) [Y to the x] 4 [=] yields 294.3626543

For the cube of 5.5 you can use the key combination [2nd][X^3]

Hope it helps.

Oct 08, 2009 | Texas Instruments TI-30 XIIS Calculator

Hello,

Sorry, answer was posted as a clarification request. Read below

Sorry, answer was posted as a clarification request. Read below

Oct 05, 2009 | Sentry CA656 Calculator

Change your air filter if it hasn't been changed recently. Spark plugs, plug wires and fuel filter can also make a difference.

Mar 20, 2017 | 1998 Nissan Sentra

check if it has a mode button, press mode then deg.

Apr 22, 2008 | Casio FX-300MS Calculator

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