Top 20 Texas Instruments TI-84 Plus Silver Edition Graphic Calculator Questions & Answers

that is not so: when you press the square root key, the calculator automatically inserts the opening parenthesis (the left one). It does so for all the built-in functions. With MathPrint parentheses are not necessary because of the open boxes.the content of the box is implicitly enclosed in parentheses.

You need to change the mode from Math Print to Classic Mode to get the multiple line display. Press Mode to open the correct menu. Use the up/down arrows to make sure that an item in the first line is highlighted (MathPrint or Classic). Use the left/right arrows to select Classic. Press Enter. If you see a line labeled Save, use the down arrow to highlight the line and press Enter again. This is briefly shown in the manual. See page 9 (page 16 of the PDF) for the menu that applies. The section is labeled Setting the Clock. The rest of the details on changing modes is on page 15 (page 22 of the PDF). Texas Instruments has the manual for the TI-84 Plus Silver Edition in their support section. Start here: https://education.ti.com/en/guidebook/search?active=guidebooks . The direct link to the manual is https://education.ti.com/download/en/ed-tech/C4D11EB6D86B47D19CD768E54A967441/6CC4C5AED5004F808892046AD33D4A35/TI84Plus_guidebook_EN.pdf . I hope this helps. Cindy Wells

Try here: https://epsstore.ti.com/OA_HTML/csksxvm.jsp?nSetNumber=12154

Shift [x^-1] allows you to access the matrix features. Under Names you select the names you want to use for your matrices. Under Math you access the various commands. Under Edit you edit the contents of your matrices.

Calculator may be suffering from one "Taking it apart" too many.

To reduce the contrast Press the [2nd] key and release it. Press the [DownArrow] key and hold pressure. The screen will become lighter. Release the down arrow when the screen is to your liking.

Contrast Feature If the contrast setting is too dark (set to 9) or too dim (set to 0) the unit may appear as if it is malfunctioning or turned off. To adjust the contrast, press and release 2nd, and then press and hold upper arrow or down arrow key.

When you reset the Memory you clear all in the RAM. Recreate your tables. If you do not want to lose something you created, archive it.

From TI instrument Online store.

1 var means only one: where would it put the comma?

Depends on what you are trying to reset. If you want to reset the memory then turn on the calculator, press second button then the +. Memory will come up at the top. Go to number 7 where it says reset. Then you have two choices reset the ram or defaults.

The command line is full. Use the left arrow key to clear the command line. Then erase all previous entries, or reset the RAM

good luck

If the ENTER button is defective you cannot use the calculator. Have it repaired.

Set the Real/Complex mode to COMPLEX. (rectangular coordinates). See the screen captures that follow.

hi try pressing the clear key if that don't work than reset the calculator by pressing the reset button or remove the the batteries from it for one minute than put it in amd press the clear button and you should go to go however you may to check and change certain setting lile the degree setting i.e. radians to degree and fix to floating notation and other important setting as well. I hope this helps.

Is the cursor checkered? If so, there is no more space on the entry line. Use the DEL key to shorten it or clear it. Clear the RAM also.

tan [angle] ) x^2 For example, to calculate tan^2(1.5), enter tan 1 . 5 ) x^2 =

Clear the entry line, and all previous entries. Clear the RAM or reset the calculator.

The key is probably defective. But there is no way the calculator will remain for ever turned ON if you remove the power supply (batteries).