Question about Texas Instruments TI-30XA Calculator

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

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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].
  • Posted on Aug 08, 2010

    • Hilton Bristol Aug 08, 2010


    • 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.


    • Step 4Find 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.


    • Step 5Turn 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] [=].
  • Hilton Bristol Aug 08, 2010


  • 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.


  • Step 7Switch 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.


  • Step 8Use 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.
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    Posted on Jan 02, 2017

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    Mattimeo310
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    SOURCE: TI-83 Plus No Longer Squares Correctly

    when you type -2 imagine your calculator doing the equation: -1 x 2. The - sign actually stands for a -1 so when you do -2 squared your calculator is simply following order of operations. It first squares the 2 making it 4, then it multiplies the negative making it -4. In order to get around this you must use parenthese. (-2)^2.

    Hope this helped

    Posted on Nov 23, 2008

    • 102366 Answers

    SOURCE: Square Root

    Don't forget to close the parentheses.

    To compute the square root of 2, press SQRT 2 ) ENTER

    Posted on Mar 09, 2010

    • 4 Answers

    SOURCE: how to enter data to calculate the margin of

    not sure sry

    Posted on May 24, 2010

    • 102366 Answers

    SOURCE: How to calculate a square root number after

    Are we discussing squares or square roots?

    The square root is the 2nd function of the multiply key.

    There is no square function on the keyboard. Instead, simply raise the number to the second power using the ^ key just above the divide.

    Posted on Sep 06, 2010

    • 102366 Answers

    SOURCE: Have TI30xIIS calculator. How

    To calculate the square root of 9, press
    2nd [square-root] 9 ) =

    The square-root is the shifted function of the x-squared key, just to the left of the 7 key. The close-parenthesis is needed to balance the open-parenthesis automatically inserted by the square-root function.

    Posted on Feb 16, 2011

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    How can I get the square root of a number that a simple calculator can get?


    To calculate the square root.
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