Question about Texas Instruments TI-30XA Calculator

What is answer log5 (log25 2/5)= - Texas Instruments TI-30XA Calculator

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The expression is ambiguous. You need to make it clear. Is it log_5 of log_25(2/5)? If that is the case then your expression is undefined because log_25(2/5) is negative (=-0.284661721) and a negative number cannot be inside a logarithm.
Be it as it may, the calculator does not calculate the log in bases other than 10 or e.
log_b(a)=log(a)/log(b)=ln(a)/ln(b)

Posted on Jan 21, 2013

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Posted on Jan 02, 2017

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Mar 26, 2017 | Office Equipment & Supplies

How do I turn off the answering machine?

The answering system must be turned on to answer and record messages. When the answering system is turned on, the /ANS ON/OFF light on the telephone base turns on and ANS ON displays on the handset.
To turn on or off with the telephone base:
• Press /ANS ON/OFF to turn the built-in answering system on or off when the phone is not in use.
When the answering system is turned on, it announces, "Calls will be answered." When the answering system is turned off, it announces, "Calls will not be answered."
To turn on or off with a handset:
1. Press MENU when the phone is not in use.
2. Press DOWN arrow or UP arrow to scroll to Answering sys, then press SELECT.
3. Press DOWN arrow or UP arrow to scroll to Answer on/off, then press SELECT.
4. Press DOWN arrow or UP arrow to choose Answer: On or Answer: Off,
then press SELECT to confirm your selection. You hear a confirmation tone.
Hope this will help.

Sep 02, 2015 | Vtech Lands Phones

How do I do logs with different bases (bases other than 10)

Most calculators can't do logs in different bases, but you can solve for the answer this way:

Let's say you need to take the log of 5 in base 3. This can also be written as log5 (base 10)/log3 (base 10).

A more technical solution can be found here: http://oakroadsystems.com/math/loglaws.htm#NewBase

May 25, 2011 | Casio FX-9750GPlus Calculator

How do I use the Log button on this calculator? For example, I can't do the expression Log5(25) which equals 2. It turns out all funny.

The TI-30 XIIS, like most calculators, cannot do logarithms to base 5 directly. You need to apply the formula:

To calculate the logarithm at base 5 of 25, you key in: 25 [log] [ ÷] 5 [log] [=]

Jan 11, 2011 | Texas Instruments TI-30 XIIS Calculator

HP L7650 will not auto answer incoming faxes

To set the answer mode to manual or automatic via the control panel

? Press Auto Answer to turn the light on or off, as appropriate for your setup.

When the Auto Answer light is on, the device answers calls automatically. When

the light is off, the it does not answer calls.

To set the answer mode to manual or automatic via the embedded Web server

1. Open the embedded Web server, click the Settings tab, click Fax in the left pane,

and then click the Basic sub-tab.

2. Select On or Off in the Auto Answer drop-down menu in the Other Basic Fax

Settings section.

Set the number of rings before answering

If you turn on the Auto Answer setting, you can specify how many rings occur before

The Rings to Answer setting is important if you have an answering machine on the

same phone line as the device, because you want the answering machine to answer

the phone before the device does. The number of rings to answer for the device

should be greater than the number of rings to answer for the answering machine.

For example, set your answering machine to a low number of rings and the device to

answer in the maximum number of rings. (The maximum number of rings varies by

country/region.) In this setup, the answering machine answers the call and the device

monitors the line. If the device detects fax tones, it receives the fax. If the call is a

voice call, the answering machine records the incoming message.

To set the number of rings before answering via the control panel

1. Press Setup.

2. Press Basic Fax Setup, and then press Rings to Answer.

3. Enter the appropriate number of rings by using the keypad, or press the left or right

arrow button to change the number of rings.

4. Press OK to accept the setting.

To set the number of rings before answering via the embedded Web server

1. Open the embedded Web server, click the Settings tab, click Fax in the left pane

and then click the Basic sub-tab.

2. Select a number in the Rings-to-answer drop-down menu in the Other Basic Fax
Settings
section.

Dec 02, 2010 | HP Officejet Pro L7650 Printer

I need to use a TI 30Xa to evaluate a Logarithm Log5 1/625 Not sure how to use the TI to do Log5

Use the relation log5(x) = log(x) / log(5) = ln(x) / ln(5)

LOG ( 1 / 625 ) / LOG 5 =

or

LN ( 1 / 625 ) / LN 5 =

Mar 11, 2010 | Texas Instruments TI-30XA Calculator

Since last week the answer ''on'' light just keeps flashing and it doesn't works when somebody calls me. I have tried unplugging and replugging but it just keeps flashing.

system on/off
Press {ANSWER ON} to turn on/off the
LWhen the answering system is turned
on, the ANSWER ON indicator lights.
LWhen the answering system is turned
off, the ANSWER ON indicator turns
off.
{OK}
off“i {OK} i {OFF}

Hi again. The reason that your are experiencing this issue is because of you answering options. Here are some instructions on how to turn this feature off. thx for using fix ya:) (we were previously dissconnected)

Feb 19, 2009 | Panasonic KX-TG1032S Phone

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