# 20 Most Recent Texas Instruments TI-84 Plus Calculator - Page 7 Questions & Answers

TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Texas... | Answered on Jun 11, 2014

To calculate logarithms to a base other than e or 10, use the logBASE function in the MATH MATH menu. Press the MATH key, then scroll up/down to logBASE.

Texas... | Answered on Jun 11, 2014

Raise e to the first power. On the TI84, press 2ND e^x 1 ENTER

Texas... | Answered on Jun 08, 2014

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 08, 2014

You're probably trying to graph a function that does not involve stat
plot features. You can correct this by turning off the stat plot
features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 08, 2014

Make sure you have the appropriate angle mode. Press MODE and check the third row.

Texas... | Answered on Jun 07, 2014

The natural log is marked "LN" and is on the key just to the left of the "4" key.

Texas... | Answered on Jun 07, 2014

Use 10^x (the 2nd function of the LOG key). For example, to calculate the antilog of 2, press 2ND LOG 2 ENTER

Texas... | Answered on Jun 07, 2014

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 07, 2014

Press MATH 4 to access the cube root function.

For example, to calculate the cube root of 8, press MATH 4 8 ENTER

Texas... | Answered on Jun 07, 2014

Press MODE then select the number of places on the second line.

Texas... | Answered on Jun 07, 2014

TI calculators have an annoying habit of dimming the screen when the batteries are changed so that it appears as if the calculator isn't turning on. Turn the calculator on (or at least press the ON key). Press and release the 2ND key. Press and hold the Up-arrow key for a few seconds and see whether the screen becomes legible.

Texas... | Answered on Jun 03, 2014

You're probably trying to graph a function that does not involve stat plot features. You can correct this by turning off the stat plot features. Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 03, 2014

Press 1 2ND [EE] 9 9

EE is the second function of the , key, just above the 7 key.

Texas... | Answered on Jun 03, 2014

Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 02, 2014

Use the (-) key just to right of the decimal point key.

Texas... | Answered on Jun 02, 2014

Use the ^ key just above the divide key. For example, to raise 2 to the 3rd power, press 2 ^ 3 ENTER and see 8.

Texas... | Answered on Jun 01, 2014

Press "2ND" "STAT PLOT" and then select 4:PlotsOff.

Texas... | Answered on Jun 01, 2014

Press 2 ^ 1 0 ENTER and see 1024

Texas... | Answered on Jun 01, 2014

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