Question about Texas Instruments TI-84 Plus Calculator

# How do I enter 5 and 1/8 into the calculator?

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Just as your wrote it: 5 + 1 / 8

The TI-84 doesn't really work with fractions, though there are commands to convert between decimal and fractional representation.

Posted on Aug 30, 2010

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## Related Questions:

### How to calculate fractions in hp 50g

For such a sophisticated calculator (computer) a simple thing like entering a fraction seems too difficult to explain. There are a great number of scientific calculators that handle fractions easily.
Anyway, to manipulate fraction without their being calculated numerically, you must use the CAS.
Press MODE then F3 CAS.
In the CAS screen, move cursor to the _numeric option. If it is cheked, uncheck it by pressing F3:Check.
Press OK to exit the CAS configuration screen. Press OK again to exit the MODE screen.
You can know enter fractions using the division key (Z)
If you type 1/5 + 13/7 you will see 72/35

Now if you enter 1/5 then press the ENTER key you will see 1/5. But if you add to that 13/7 you will see 1/5+13/7 and the result will not be calculated. To calculate the resulting fraction you must press EVAL (Green Left Shift ANS) ENTER.
As you can see, this is not the most efficient way to handle fractions.

Aug 29, 2012 | HP50G Graphing Calculator

Somehow you're calculating 12!/(5!/7!).

Press 1 2 MATH left-arrow 4 / 5 MATH left-arrow 4 / 7 MATH left-arrow 4 ENTER to calculate the desired value. Alternatively, you can press 1 2 MATH left-arrow 3 5 ENTER or 1 2 MATH left-arrow 3 7 ENTER to calculate the same thing.

Aug 10, 2011 | Texas Instruments TI-83 Plus Calculator

### I am working with my computers calculator. how do i imput 4 squareroot sign 5?

I'm not sure if you mean 4 *?5 or the fourth root of 5 (I cant put in the subscript).

For the first one, enter 5; ?;*;4. For the second, enter 5; ?;?;*;4

Aug 05, 2011 | Texas Instruments TI-84 Plus Calculator

### When I try to use arithmetic operations in RPN mode; the calculator computes the (g) function. Example: 2(enter) 5(enter) (x) will result in 25 (5^2) as opposed to 10 (5 x 2) =s

Your key sequence is calculating 5*5, which is 25. If you press * again, you will get 50, which is 2*5*5. The second ENTER lifts the 5 into Y, leaving two copies of 5 on the stack, which get multiplied together.

To calculate 2*5, press 2 ENTER 5 * . Note only one ENTER, used to separate numbers.

Mar 22, 2011 | HP 12c Calculator

### I am trying to divide a whole into a smaller number that is a decimal, any help? The question is 5 divide into o.45

You didn't specify the make and model of your calculator, so I can't give you an exact keystroke sequence.

The calculator doesn't care whether a number is a whole number or not. Just do the division.

On most algebraic-logic calculators, to divide 5 into 0.45, press . 4 5 / 5 =
On an RPN or RPL calculator, press . 4 5 ENTER 5 /

On most algebraic-logic calculators, to divide 5 by 0.45, press 5 / . 4 5 =
On an RPN or RPL calculator, press 5 ENTER . 4 5 /

If you still have problems, please reply to this post specifying the make and model of the calculator you're trying to use.

Mar 14, 2011 | Office Equipment & Supplies

### If i needed to enter log 5 to the base 3 into my calculator what buttons would i push?

You can calculate the log of x to any base b by calculating log(x)/log(b) or ln(x)/ln(b). So, to calculate log 5 to the base 3, press
LOG 5 ) / LOG 3 ENTER
or
LN 5 ) / LN 3 ENTER

Jan 25, 2011 | Texas Instruments TI-83 Plus Calculator

### How do a take a division problem and square root it on a TI-84 Plus Silver Edition for example 87.34/5 then square root the answer. I can do the math, but how do I take the dvision answer and square...

Two ways:

2ND [square-root] ( 8 7 . 3 4 / 5 ) ENTER

8 7 . 3 4 / 5 ENTER then 2ND [square-root] 2ND ANS ENTER

The first sequence takes the square root of 87.34/5, the second sequence calculates 87.34/5 then takes the square root of the result.

Dec 15, 2010 | Texas Instruments TI-84 Plus Calculator

### I need the sine of 5 degrees sin(5) in decimal form, how do I get the answer? when I hit enter it just gives me Sin(5).

Assuming you're in degrees mode instead of radians, press diamond then ENTER to convert a symbolic result to decimal.

This can be done in one step by using diamond ENTER instead of ENTER when first calculating the expression. For example:
2ND [SIN] 5 ) diamond ENTER

Sep 20, 2010 | Texas Instruments TI-89 Calculator

### How do i enter -5 to the fifth?

Enter 5
Make it negative (use the key with +, arrows and - signs on it)
Hit the y to the x key
Enter 5
Hit the = sign.

Hopefully I got this right as I don't own this calculator. The answer should be -3125.
Good luck!

Mar 09, 2010 | Texas Instruments TI-30XA Calculator

### When I enter -5^2 I keep getting -25. Same for when I enter -5 and push the squared button. What is wrong?

Hello,
What you are calculating is -1 times 5^2 which is -1*25=-25.
If you want to calculate the square of -5 you enclose it between parentheses.

Reason

There are two operations: the power and the negation and the power has priority. Thus 5^2 is calculated first, then its negative is taken.
If you put it inside parentheses, the () has priority. The negative of 5 is taken first, then the result is squared giving 25.

(-5)^2=25.
Hope it helps.

Oct 21, 2009 | Texas Instruments TI-83 Plus Calculator

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