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TI-84 Plus Calculator Keys to Access Functions

Starting with the fifth row of the TI-84 Plus calculator, you find the functions commonly used on a scientific calculator. Here’s what they are and how you use them:

  • Transcendental numbers:

    The transcendental numbers

    image1.png

    are respectively located in the fifth and sixth rows of the last column of the keyboard. To enter

    image2.png

    in the calculator, press [2nd][^]; to enter e, press [2nd]

    image3.png
  • The trigonometric and inverse trigonometric functions:

    The trigonometric and inverse trigonometric functions are located in the fifth row of the keyboard. These functions require that the argument of the function be enclosed in parentheses. To remind you of this, the calculator provides the first parenthesis for you.

    image4.jpg
  • The square-root and exponential functions:

    The square-root function, 10x function, and ex function are respectively located in the sixth, seventh, and eighth rows of the first column on the keyboard. Each of these functions requires that its argument be enclosed in parentheses. To remind you of this, the calculator provides the first parenthesis for you.

  • The inverse and square functions:

    The inverse and square functions are respectively located in the fifth and sixth rows of the left column on the calculator. To enter the multiplicative inverse of a number, enter the number and then press [x–1]. Similarly, to square a number, enter the number and then press [x2].

If you want to evaluate an arithmetic expression and you need a function other than those just listed, you’ll most likely find that function in the Math menu. The hyperbolic functions are an exception; those you find in the calculator’s Catalog.

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