Question about Texas Instruments TI-86 Calculator

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If you are doing base N calculations

You may have entered a wrong digit (binary: digits are 0 and 1; octal : digits are 0,1,2,3,4,5,6, and 7) OR

You are trying to do calculations that are not valid in Base N.

Posted on Feb 27, 2012

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Posted on Jan 02, 2017

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SOURCE: error 08 number base

You apparently have the base set to something other than decimal. Press 2nd [MODE]. Use the arrow keys to move down to the sixth line, select "Dec", then press EXIT.

Posted on May 12, 2011

SOURCE: TI-86 Calculator Problem

Most likely you're trying to graph a function while you have the stat plot turned on. Turn off the stat plot and try it again.

Posted on Jan 19, 2010

SOURCE: texas instruments ti-86 screen problem

Remove and replace the batteries should be first step. Also, I believe these have a smaller button-cell backup battery as well. Replace and reset to factory settings (backup any saved info if you can link with another TI calculator).

Posted on Mar 28, 2008

SOURCE: adjusting the ti-86 screen

First make sure the cable at the top of the screen is not pealing off near the edge, on the inside of the calcualtor. You may need to peal it off and reattach it, align the strip with the metal coating strips on the glass, you will see the strips when viewing the glass at an angle, but that is risky because you may not be able to reattach it. Next check the small square that says "8" on the back of the display board, you will see minature wires, make sure all the wires are lined up properly, if not thats a factory defect. Goodluck.

Posted on Apr 24, 2009

SOURCE: TI 86 error 17 INVALID

You're trying to reference a variable or use a function where it is invalid. If you're still struggling with this, post a little more detail as to exactly what you're trying to plot.

Posted on Jan 19, 2010

The - key is for subtraction, an operation that needs two numbers. If you press - as the first key on a line, the calculator assumes you want to subtract something from the previous answer, Ans.

If you want to enter a negative number, use the (-) key on the bottom row of the keyboard, just to the left of the Enter key.

If you want to enter a negative number, use the (-) key on the bottom row of the keyboard, just to the left of the Enter key.

Apr 05, 2016 | Texas Instruments TI-86 Calculator

Error 07 Syntax

Means you made a typing error while entering the equation. Using the minus sign instead of the negation sign (change sign) (-), can produce a syntax error. Maybe you need to explicitly type the multiplication sign

y= (-) 1.5*x +3

Try entering it as 3 - 1.5*x

Means you made a typing error while entering the equation. Using the minus sign instead of the negation sign (change sign) (-), can produce a syntax error. Maybe you need to explicitly type the multiplication sign

y= (-) 1.5*x +3

Try entering it as 3 - 1.5*x

Jun 11, 2014 | Texas Instruments TI-86 Calculator

The TI 86 has two logarithmic functions: natural logarithm **(ln) **and common (decimal) logarithms **(log)**. If you need the logarithm in any other base than e or 10 you need to use one of the two equivalent expressions

**log_b(x) =ln(x)/ln(b) =log(x)/log(b)**

Here b is the value of the base of the logarithm and x is the argument (the value whose logarithm you are seeking). Of course the argument x must be a positive number.

**Note:** On the TI 86 the log function can calculate the logarithm of a complex number, according to the manual.

Here b is the value of the base of the logarithm and x is the argument (the value whose logarithm you are seeking). Of course the argument x must be a positive number.

Sep 22, 2013 | Texas Instruments TI-86 Calculator

You apparently have the base set to something other than decimal. Press 2nd [MODE]. Use the arrow keys to move down to the sixth line, select "Dec", then press EXIT.

May 12, 2011 | Texas Instruments TI-85 Calculator

Having gone over a month without a response to my query, I assume my suggestions solved the problem.

Sep 02, 2010 | Texas Instruments TI-86 Calculator

To restore memory on a TI 84 to factory settings follow the directions on pages 108 and 109 of the instructions manual (TI 84 Plus Silver). Otherwise look in the index for RESET MEMORY to get the right page. Be sure you read the precaustions!!!!!!

Dec 12, 2009 | Texas Instruments TI-86 Calculator

Hello,

Read the following answer from the TI Knowledge Base.

Hope it helps.

*How can I troubleshoot an Error in Xmit error message when transferring data between two graphing calculators?
*

The*Error in Xmit*
error message is returned when a connection cannot be established
between two calculators when attempting to transfer data. There are
several factors that can contribute to this error message.

• The calculators being connected are not compatible for data transfer.

• The data cable is not firmly connected to both units.

• The receiving calculator is not in receive mode.

• The I/O port on one of the graphing calculators is damaged.

**The procedure for connecting two graphing calculators is as follows:**

• Connect the data cable to the I/O port of each unit. The cable will fit tightly in the I/O port and snap into place. If silver from the cable is visible, the cable is not properly connected.

• Access the Link menu on each unit

• Place the receiving graphing calculator on "Receive"

• Place the sending unit on "Transmit" or "Send" from the Link menu.

Once the data has been selected, the transfer will commence accordingly.

**The data transfer protocols for graphing calculator** **is as follows:**

• TI-73 - Link allows data sharing with another TI-73, TI-82, TI-83, and TI-83 Plus.

• TI-82 - Link allows data sharing with another TI-82.

• TI-83 - Link allows data sharing with the TI-82, TI-83 family calculator, and TI-84 Plus family calculator.

• TI-83 Plus/TI-84 Plus family- Link allows data sharing with another TI-82, TI-83 family calculator, and TI-84 Plus family calculator.

• TI-85 - Link allows data sharing with another TI-85(To a TI-86. Not From a TI-86).

• TI-86 - Link allows data sharing with another TI-86 and from a TI-85 to a TI-86.

• TI-89 family- Link allows data sharing with another TI-89 family calculator and from a TI-92 family calculator.

• TI-92 family- Link allows data sharing with another TI-92 family calculator and from a TI-89 family calculator.

• Voyage™ 200 - Link allows data sharing with another Voyage 200 and TI-92 family calculator.

If the cable does not fit properly into the I/O port, or if the I/O port appears to be damaged (broken or separated plastic, obstruction inside the port), call 1-800-TI-CARES (1-800-842-2737) M-TH 8:00 AM - 7:00 PM FRI 10:00 AM - 7:00 PM Central Standard Time to speak to a representative or sending an email to ti-cares@ti.com.

Read the following answer from the TI Knowledge Base.

Hope it helps.

The

• The calculators being connected are not compatible for data transfer.

• The data cable is not firmly connected to both units.

• The receiving calculator is not in receive mode.

• The I/O port on one of the graphing calculators is damaged.

• Connect the data cable to the I/O port of each unit. The cable will fit tightly in the I/O port and snap into place. If silver from the cable is visible, the cable is not properly connected.

• Access the Link menu on each unit

• Place the receiving graphing calculator on "Receive"

• Place the sending unit on "Transmit" or "Send" from the Link menu.

Once the data has been selected, the transfer will commence accordingly.

• TI-73 - Link allows data sharing with another TI-73, TI-82, TI-83, and TI-83 Plus.

• TI-82 - Link allows data sharing with another TI-82.

• TI-83 - Link allows data sharing with the TI-82, TI-83 family calculator, and TI-84 Plus family calculator.

• TI-83 Plus/TI-84 Plus family- Link allows data sharing with another TI-82, TI-83 family calculator, and TI-84 Plus family calculator.

• TI-85 - Link allows data sharing with another TI-85(To a TI-86. Not From a TI-86).

• TI-86 - Link allows data sharing with another TI-86 and from a TI-85 to a TI-86.

• TI-89 family- Link allows data sharing with another TI-89 family calculator and from a TI-92 family calculator.

• TI-92 family- Link allows data sharing with another TI-92 family calculator and from a TI-89 family calculator.

• Voyage™ 200 - Link allows data sharing with another Voyage 200 and TI-92 family calculator.

If the cable does not fit properly into the I/O port, or if the I/O port appears to be damaged (broken or separated plastic, obstruction inside the port), call 1-800-TI-CARES (1-800-842-2737) M-TH 8:00 AM - 7:00 PM FRI 10:00 AM - 7:00 PM Central Standard Time to speak to a representative or sending an email to ti-cares@ti.com.

Oct 22, 2009 | Texas Instruments TI-83 Plus Calculator

Press "2ND" "MATH" "F3" to invoke the Angle menu.

Enter the number of degrees, press "F3", enter the number of minutes, press "F3", enter the number of seconds, press "F3", then press "ENTER".

Enter the number of degrees, press "F3", enter the number of minutes, press "F3", enter the number of seconds, press "F3", then press "ENTER".

Feb 15, 2008 | Texas Instruments TI-86 Calculator

You're trying to reference a variable or use a function where it is invalid. If you're still struggling with this, post a little more detail as to exactly what you're trying to plot.

Oct 17, 2007 | Texas Instruments TI-86 Calculator

Most likely you're trying to graph a function while you have the stat plot turned on. Turn off the stat plot and try it again.

Oct 16, 2007 | Texas Instruments TI-86 Calculator

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