Question about Texas Instruments TI-34II Explorer Plus Calculator

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Won't turn on

It won't turn on, and sometimes when its on i have to press really hard to get the keys to work. but since its solar powered i have no idea what the problem is

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Try pressing [ON] and [CLEAR] at the same time. This will reset the calculator.

Posted on Feb 03, 2010

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How to solve screen issue?


This is a Two Way power calculator: Solar cell and a battery. The FX9750 is a graphing calculator and not in the league of the FX85 MS. It has a backup battery and 4 AAA batteries.
Anyway, there is no reset key. If there is a reset button it must be on the back.
After you replace the battery press the ON key. It might be a good idea to leave calculator exposed to sun light or a fluorescent tube.

Jan 08, 2014 | Casio FX85MS Scientific Calculator

1 Answer

How to calculate 1.025^4


How to Use a TI-30XA
The TI-30XA is a scientific calculator with many functions. You can calculate problems with fractions and decimals, as well as solve problems of probability and functions. A scientific calculator computes the number sentence you type in using the order of operations: parentheses first, then roots and exponents, then division and multiplication and, finally, addition and subtraction.

Instructions
  1. How to Use a TI-30XA
    • 1

      Press the [ON/C] key to turn on the calculator. Press the [OFF] key to turn it off. To use the calculator in solar mode, put the solar panel in the light and then press the [ON/C] key. To turn it off when in solar mode, slide the calculator cover back on and it will automatically shut off.

    • 2

      Replace the batteries by first removing the cover and placing it face down. Use a Phillips-head screwdriver to unscrew the back panel. Remove the back panel and change the batteries. Screw the back panel back on. Press [OFF] [ON/C] and [ON/C].

  • Use the basic operation keys for addition [+], subtraction [-], multiplication [x] and division [/]. To change the signs of your values from positive to negative or vice versa, press the [+ -] key before the numbers you enter. Use the parentheses, [(] and [)], to command the calculator to solve what is inside the parentheses first. Press the [=] to solve the number sentence you entered into the calculator.

  • 4

    Find percents of a number by first typing in the number, then [x], then the percent number, [2nd], [%] and, finally, [=]. The [2nd] key allows you to use the commands that are written above each key. For example, to find 20% of 100, type in 100 [x] 20 [2nd] [%] [=] and the display will show the answer, 20.

  • 5

    Turn decimals into fractions by entering the decimal value, then pressing the [2nd] and [F D] keys, then [=]. Turn the fraction back into a decimal by pressing [2nd] and [F D] again. For example, to turn 0.5 into a fraction, type in 0.5 [2nd] [F D] [=].

  • 6

    Turn mixed numbers into improper fractions by entering the mixed number first. Type in the whole number, then the [a b/c] key, then the numerator, the [a b/c] key again and the denominator. Next, press [2nd] [d/c] [=], and the calculator will convert your mixed number into an improper fraction. Press [2nd] [d/c] again to turn it back into a mixed number. For example, to turn 1 1/2 into an improper fraction type in 1 [a b/c] 1 [a b/c] 2 [2nd] [d/c] [=], and the display will show the answer 3/2.

  • 7

    Switch the notation setting of the calculator between engineering, scientific and floating. To select scientific notation, press the [2nd] and [SCI] keys; this will display your answers in scientific notation as a number between 1 and 10 to a power of 10. Press [2nd] [ENG] to switch to the engineering setting; this setting displays values as a number with an exponent that is a multiple of 3. Press [2nd] [FLO] to switch to the floating setting. This is considered standard notation and will display the answer as a standard number.

  • 8

    Use the left arrow key to go back and delete numbers to the right of the cursor that you typed into the display. This must be done before you press [=]. To clear the screen, values and operations, press [ON/C] and [ON/C] again in battery mode, or [CE/C] and [CE/C] again in solar mode.


  • Hope it helps your problem. Thanks!


    Jan 03, 2013 | Texas Instruments TI-30XA Calculator

    1 Answer

    How to turn off calculator


    Most calculators have a key sequence to turn off power. The key may be dedicated (one function) or it can be activated by pressing SHIFT or 2nd first. For a Casio scientific calculator, press SHIFT followed by AC (All clear). Some solar powered calculators do not have a key to power off but the calculator will turn itself OFF after a moment of inactivity.

    Jun 03, 2012 | Calculators

    1 Answer

    I haven't used my calculator in some time. Now when I go to use it, it won't turn on. I've pressed on and clear and reset. Nothing. It is solared powered and its not like I just change the...


    If it is solar powered and hasn't been used in some time, the battery may have died, permanently. If there is no battery to replace then it is broken forever. Sorry.When batteries are left without juice for a long period of time they die, and cannot be recharged.

    Sep 14, 2011 | Calculators

    1 Answer

    Can I do numbers squared on this calculator, and how would I enter this?


    The TI-30XA is a scientific calculator with many functions. You can calculate problems with fractions and decimals, as well as solve problems of probability and functions. A scientific calculator computes the number sentence you type in using the order of operations: parentheses first, then roots and exponents, then division and multiplication and, finally, addition and subtraction.
    How to Use a TI-30XA
  • Step 1Press the [ON/C] key to turn on the calculator. Press the [OFF] key to turn it off. To use the calculator in solar mode, put the solar panel in the light and then press the [ON/C] key. To turn it off when in solar mode, slide the calculator cover back on and it will automatically shut off.
  • Step 2Replace the batteries by first removing the cover and placing it face down. Use a Phillips-head screwdriver to unscrew the back panel. Remove the back panel and change the batteries. Screw the back panel back on. Press [OFF] [ON/C] and [ON/C].
  • Aug 08, 2010 | Texas Instruments TI-30XA Calculator

    1 Answer

    Haven't used it in a while how do i recharge the solar feature


    If it is the Solar version, remove the slide cover and expose it to the ambient light or let it catch some direct sun rays.

    After a short while press the ON key. To remove the garbage that may still be in memory press the CLEAR ALL (AC key) .

    If you have the battery powered version change the batteries.

    Hope it helps

    Aug 17, 2009 | Texas Instruments TI-30XA Calculator

    1 Answer

    Calculator won't turn off with new battery installed.


    Hello,
    If they are solar powered and if the power down button is not functionning I would not worry about them. Usually battery powered calculators have an automatic power down feature, and sometimes solar powered machines as well. The only free thing we get is the sun's energy. Maybe not the only one (oxygen).
    Hope it helps.

    May 18, 2009 | Texas Instruments TI-15 Explorer...

    3 Answers

    Display / LCD issue


    Try adjusting the brightness setting for the LCD screen by holding down the "on" key and pressing the "+" key at the same time to make your screen darker or the "-" key at the same time to make it darker.

    Jan 18, 2009 | HP 48gx Calculator

    4 Answers

    Lower half of numbers gone


    Hi,

    The only solution which can be tried is replacing the battery.

    Goodluck.

    May 06, 2008 | Texas Instruments TI-36 X Solar Calculator

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