Top 20 Texas Instruments TI-83 Plus Calculator Questions & Answers

The natural log of 10E4 is about 11.51. The natural log of 1E4 is about 9.21. Do you want the log of 10 to the fourth (ten thousand) or of 10 to the fifth (one hundred thousand)? What keys are you pressing to enter the argument? If you press 1 0 2ND EE 4 then you're inputting ten times ten to the fourth or ten to the fifth. If you want ten to the fourth, enter it as 1 2ND EE 4 .

Isolate the integer part (to the left of the decimal point) Convert the non integer part (decimal part) into a fraction. Write the result as (integer part) (fraction part) 3/2=1.5 Integer part is 1, decimal part is 0.5 0.5 as a fraction is 1/2 3/2= 1 1/2

Press the MODE button, select FUNC on the fourth line, then press 2ND QUIT.FUNC gives you X, PAR gives you T, POL gives you theta, and SEQ gives you n.

It's the key at the top left of the keyboard, just below the five function keys, marked "2ND"

To calculate the arctangent, use 2ND TAN. For example, to calculate the arctangent of 1, press 2ND TAN 1 ENTER

Use the logBASE function available in the MATH menu. Press MATH, use cursor-left/right to select the MATH submenu, then use cursor-up/down to access logBASE.

You're 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.

You're looking for a number whose natural logarithm is -5. In other words, you're looking for the natural antilogarithm of -5. To calculate this, press2ND [e^x] (-) 5 ENTER