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How calculate perccentages on a calculator

How can i calculate perccentages on a calculator

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There are two ways to do this. First you can enter the number that you need to calculate the percentage of, times the percentage amount and the the % button.

e.g. 100 x 50 % =

This will show you the amount that 50% is as soon as you push the % button and then will caculate the total when you push the =.

You can also multiply the number by the percent amount with the decimal moved two places to the left.

e.g. 100 x .50 =

Posted on Jun 25, 2009

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Posted on Jan 02, 2017

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Use for all your online calculator needs!

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Where is the combination button on SHARP EL-501W calculator?

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How to use the log fucntion

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On Windows based computers you already have a calculator. Look for it under Start>All programs>Accessories>.
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How to calculate 17^23mod55 in casio scientific calculator fx-991MS?

Using the Windows calculator in scientific view, we get:
17^23 = 19,967,568,900,859,523,802,559,065,713
which is 29 digits long, ie much longer than the capacity of most calculators.

Because both 17 and 23 are prime numbers, it isn't possible to simplify this calculation, so you will need to use find a calculator that has sufficient capacity to be able to handle numbers of this length.

The xnumbers add-in for Microsoft Excel can also be useful for this sort of calculation (do an internet search for it).

Using the Windows calculator, MOD55 of the above number is 18.

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The [MODE] key can be used to select the modes described below.
Important! The following is a general explanation of Scientific Calculator modes. Note that your calculator may not include all of the modes described here.
1) Calculation Modes
Before performing a calculation, you first need to select the appropriate calculation mode.
COMP: Basic arithmetric calculations
(arithmetic operations, trigonometric functions, etc.)
COMPLEX: Complex number calculations
SD: Single-variable statistical calculations
(sample standard deviation, etc.)
LR or REG: Paired-variable statistical calculations
(linear regression statistical calculations, etc.)
BASE or BASE-n: Binary, octal, decimal, hexadecimal number system calculations
MAT: Matrix calculations (determinants, etc.)
VCT: Vector calculations
EQU: nth degree equations, simultaneous equations
2) Display Settings
Use these settings to control how calculation results are displayed.
Note that changing the Fix and Sci settings does not affect internal calculation results.
Norm: Exponential display format and cancels the currently configured Fix and Sci settings.
Fix: Specifies a fixed number of digits to the right of the decimal place.
Sci: Specifies a fixed number of significant digits.
3) Angle Unit Setting
(90°=?/2 radians=100 grads)
Deg: Degrees
Rad: Radians
Gra: Grads
4) Engineering Mode
Use this mode when you want to input and perform calculations using engineering symbols.

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