From basic calculations to sophisticated two-variable statistics, conversions, regression analysis and scientific data plotting, TI’s scientific calculators provide a range of functionality for general math, algebra, trigonometry and statistics.

Texas Instruments TI-84 Plus CE

In fact, the only difference is that the TI-84 has a mini-USB port while the TI-83 does not. Both calculators use the same type of central processing unit (CPU) (Zilog Z80), and the displays are the same (96 x 64 pixels). Both calculators have an I/O port but the TI-84 Plus also includes a mini-USB port.

– It has better hardware than the other calculators, with a higher resolution screen, faster processor, and more memory. It has always had Pretty Print, which works better than the TI-84+ with the higher resolution screen. – It can still do everything the other 3 calculators can, plus generally a bit more.

And finally the main difference is computing power. The TI-83 Plus has about a 6 MHz processor while the TI-84 Plus has about a 15 MHz processor. In the real world this makes the TI-84 Plus about 2x as fast as the TI-83 Plus. The TI-83 also has 160 KB of storage whereas the TI-84 Plus has 480 KB.

The TI-84 series possesses a wide-ranging number of features: gaming; music-making; real-time fractal and pattern programming; and a backlight. These help bring the Ti-80’s graphing calculators to life!

High Contrast If the whole screen is black it is likely that the contrast may have been turned up on the calculator. Press the (2ND) button and then the down arrow button to lower the contrast. Repeat this until the contrast is at the level you like.

How to Get the Brightness Back on a TI-84 Plus

1. Press “ON” to turn on the TI-84 Plus calculator.
2. Press the button labeled “2ND.”
3. Press the up-arrow button on the front of the calculator. This will increase the brightness on the screen. To further increase the brightness, press “2ND” and then press the up-arrow button again.

If you get the ERROR: DIMENSION MISMATCH error message when you graph a function, this is most likely caused by a stat plot that the calculator is trying to graph along with your function. You can turn off the stat plot on the Y= editor screen.

Defaults: Restores the default factory settings to all system variables, including the mode settings. ALL RAM: All your programs and data stored in RAM will be erased. In addition, the default factory settings are restored.

The Restore tool can be accessed by clicking the Restore icon on the TI Connect Home screen. When the Restore icon is clicked, a window opens, prompting you to select the location where the Backup data was saved on your computer.

Press ctrl+R, select calculator (which should be TI-84) and select “L1” under variable name. press OK. Now press the “send file” button. If you get the “TI Device Data Transfer Warning.” screen, press the option saying “Replace”.

Q: How can I completely reset my TI 84 Plus back to the factory default settings?

1. Press 2nd MEM (that is the second function of the + key)
2. Choose 7 (Reset)
3. Scroll right so that ALL is selected.
4. Press 1.
5. Press 2 (Reset, and read the warnings)

-10 to 10

The TI‑84 Plus CE allows for undefined values on a graph. The ERR:INVALID DIMENSION error message may occur if you are trying to graph a function that does not involve the stat plot features. The error can be corrected by turning off the stat plots. To turn the stat plots off, press y , and then select 4:PlotsOff.

“ERR:INVALID DIM” is an error message that comes up when one or more of the calculator’s “STAT PLOTS” are set to “on” but there are no values or incomplete values in the “STAT” lists. It can also mean the user entered the wrong type of data.

NO SIGN CHANGE When you’re using the Equation Solver, you get this message when the equation has no real solutions in your specified range.

The dim( command is used to find the size of an existing list or matrix. It takes only one argument – the list or matrix you want the size of. For a list, it returns the number of elements; for a matrix, it returns a two-element list of the number of rows and the number of columns.

DOMAIN. You usually get this message when you’re using a function housed on a menu of the calculator. If that function is, for example, expecting you to enter a number in a specified range, you get this error message if that number isn’t in the specified range.

Originally Answered: What does “overflow error” mean on a calculator? In my experience, it means it thinks the answer is outside it’s range. Factorial is an easy way to see this happen. Choose a large enough number, and execute the factorial function, and you may get an overflow.

Largest Number on the Calculator Most calculators, including the TI-83+/84+, cannot handle numbers larger than 9.99999999 x 10 99. Numbers beyond this value create an overflow error. As an example, the largest factorial that can be computed on the TI-83+/84+ is the factorial 69!.

Biggest possible number= ∞ , So to enter this number just enter 8 in the calculator and rotate your device 90 degrees to make it look like infinity.