Question about Computers & Internet

Hi. Try this steps on using your math calculator for the percentage function.

Hope This Helps

Step 1. Note that not all calculators behave the same way as far as the percentage key is concerned. Thus, test the examples in this article on your calculator. If your calculator does not have the percent key or does not behave in the way described here, don't despair - you can still use it to calculate percentages, it's just that you will have to press a few more buttons.

Step 2. Let's calculate a tip on your restaurant bill. Suppose your bill happens to be $64.35 and you would like to leave 15% tip.

Type the following into your calculator: 64.35 * 15 %

Answer: 9.6525 or $9.65 after rounding.

Most simple calculators will give an answer right here without having to press the = sign. If yours does not, press = and see if you get the right answer.

Alternatively, you can calculate this percentage by typing in

64.35 * 15 / 100 or 64.35 * 0.15

Thus, you may have observed that all that the percent key did here was division by a hundred.

Step 3. Let's calculate a grade percentage - say you got 34 out of a maximum of 40 points.

To figure out your grade percentage type in: 34 / 40 %

Answer: 85

Alternatively, without the percent key: 34 / 40 * 100

Step 4. Let's calculate a sale price on those shoes that originally cost $139, but are now discounted by 35%.

On your calculator type in: 139 - 35 % =

Answer: 90.35 or $90.35

This calculation is amazingly easy with the percent key! Alternatively, you would first have to calculate what the 35% of the $139 is and then subtract it from 139:

139 * 35 / 100 = 48.65

139 - 48.65 = 90.35

Hope This Helps

Posted on Jun 03, 2010

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Posted on Jan 02, 2017

multiply this *number* by 100

Oct 09, 2014 | Software Publishing Sports Math...

Use this http://www.calculatorsoup.com/calculators/math/percent-to-fraction-calculator.php

**OR** to work it out yourself.....#

### How to convert percent to fraction

1% = 1/100

So in order to convert percent to fraction, divide the percent by 100% and reduce the fraction.

For example 56% is equal to 56/100 with gcd=4 is equal to 14/25:

56% = 56/100 = 14/25

- Divide the percent by 100 to get decimal number.
- Count the number of digits (d) to the right of the decimal point of the decimal number.Example: 2.56 has 2 digits to the right of the decimal point, so d=2.
- Calculate the factor (f) for making the decimal number an integer:
*f*= 10*to power d*

Example:

*f*= 10 power 2 = 100

- Multiply and divide the decimal number x by the factor f:
*x***f*/*f*=*y*/*f*

Example:

2.56 * 100 / 100 = 256 / 100

- Find the greatest common divisor (gcd) of the fraction.
Example:

gcd(256,100) = 4

- Reduce the fraction by dividing the numerator and denominator by the gcd value:
Example:

256 / 100 = (256/4) / (100/4) = 64/25

1% = 1/100

So in order to convert percent to fraction, divide the percent by 100% and reduce the fraction.

For example 56% is equal to 56/100 with gcd=4 is equal to 14/25:

56% = 56/100 = 14/25

Sep 07, 2014 | Office Equipment & Supplies

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.

Dec 12, 2013 | Texas Instruments TI-84 Plus Calculator

It is a calculator and prqactically every button is a MATH button. It
depends on what MATH you intend to do. Put the calculator in Run/Mat
screen then press the OPTN key. You will see several tabs. Press the
function key under a TAB and explore what is offered. Go through all the
keys (F6 also) and see what the new tabs do.

In general it is most helpful to read the manual that shipped with the calculator.

In general it is most helpful to read the manual that shipped with the calculator.

Oct 16, 2012 | Casio Calculator Graphing FX 9750GII...

For cube roots, use the cube-root function in the MATH menu. For example, to calculate the cube root of 8, press MATH 4 8 =

For other roots (including cube root), use the xth-root function in the MATH menu. For example, to calculate the fifth root of 32, press 5 MATH 4 3 2 =

For other roots (including cube root), use the xth-root function in the MATH menu. For example, to calculate the fifth root of 32, press 5 MATH 4 3 2 =

Mar 02, 2011 | Texas Instruments TI-83 Plus Calculator

There's a cube root function as the fourth item in the MATH menu. The fifth item is a general root function.

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

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

Feb 21, 2011 | Texas Instruments TI-84 Plus Calculator

There is no key nor command to calculate percentages. But that is easy to correct.

Percentages

To go from a decimal result to a percentage, move the decimal mark 2 places to the right. If you have no decimal mark as with integers, put a decimal mark at the end of the number pad it with zeros, then move the decimal mark 2 places to the right.

Ex: 0.73 in % gives 73.0%

Ex: 2.33 in % gives 233.00 %

Ex: 5 in % 5=5.00 becomes 500%

Fractions

The calculators has a command to convert a decimal number to a fraction. The command is called >Frac or To frac. You find it under the MATH key.

Enter a number (decimal or fraction)

Press [MATH][1:>Frac]

Command echoes on main screen after the number you entered.

Press [ENTER] the result is displayed as a fraction.

The TI 84PLUS and TI84PLUS Silver edition OS has seen a major upgrade to version 2.53 M(ath)P(rint). If you play a lot with fractions this new OS will allow you to do a lot more than what is described above.

Here is the link to download the new OS version. It cannot be transferred to a TI83PLUS or TI83PLUS SE.

Percentages

To go from a decimal result to a percentage, move the decimal mark 2 places to the right. If you have no decimal mark as with integers, put a decimal mark at the end of the number pad it with zeros, then move the decimal mark 2 places to the right.

Ex: 0.73 in % gives 73.0%

Ex: 2.33 in % gives 233.00 %

Ex: 5 in % 5=5.00 becomes 500%

Fractions

The calculators has a command to convert a decimal number to a fraction. The command is called >Frac or To frac. You find it under the MATH key.

Enter a number (decimal or fraction)

Press [MATH][1:>Frac]

Command echoes on main screen after the number you entered.

Press [ENTER] the result is displayed as a fraction.

- If the number entered or stored in answer memory is a decimal number it will be converted to a fraction.
- If the number you entered is a fraction, the result will be displayed as a fraction but REDUCED to its simplest terms.
- For example 6/9 becomes 2/3

The TI 84PLUS and TI84PLUS Silver edition OS has seen a major upgrade to version 2.53 M(ath)P(rint). If you play a lot with fractions this new OS will allow you to do a lot more than what is described above.

Here is the link to download the new OS version. It cannot be transferred to a TI83PLUS or TI83PLUS SE.

Aug 07, 2010 | Texas Instruments TI-84 Plus Silver...

Hello.

If your TI has a MATH button, select it.

Under Math, Function 1 is fractions and Function 2 is decimals

For example, 2/3 plus 2/3 ...

2 - / - 3 - + - 2 - / - 3 = 1.33333333

2nd - ANS - MATH - 1 = 4/3

Hope this helps.

If your TI has a MATH button, select it.

Under Math, Function 1 is fractions and Function 2 is decimals

For example, 2/3 plus 2/3 ...

2 - / - 3 - + - 2 - / - 3 = 1.33333333

2nd - ANS - MATH - 1 = 4/3

Hope this helps.

Feb 04, 2010 | Texas Instruments TI-81 Calculator

500 square feet equal to how much square yard?

Dec 30, 2008 | Texas Instruments TI-34II Explorer Plus...

Sep 24, 2017 | Computers & Internet

Sep 24, 2017 | Computers & Internet

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