Trick To Convert Fahrenheit and Celsius

Formula :-

To Convert Celsius to Fahrenheit 

°C  x  9/5 + 32 = °F  OR °F = (1.8 x °C) + 32

To Convert Fahrenheit to Celsius

 

(°F  -  32)  x  5/9 = °C OR °C = (°F - 32) / 1.8

Trick To Convert Celsius to Fahrenheit :

You will not get the accurate value of Fahrenheit using this trick.

Step 1 :  Double the celsius

Step 2 : Add 30

For example 

lets take 15 °C

Step 1 :  Double the celsius 15 x 2 = 30

Step 2 : Add 30 so 30 + 30 = 60°F

So it is quite near to the actual answer 59°F

Now to convert  Fahrenheit to Celsius 

Step 1 : Subtract  30

Step 2 : Divide by 2

Program To Convert Celsius to Fahrenheit and Fahrenheit to Celsius

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Degrees and Radians Calculator

Converting from Degrees to Radians

 Degrees can be converted to Radians with the help of this formula :

Radians = (Degrees x π) / 180

Converting from Radians to Degrees

Radians can be converted to Degrees with the help of this formula :

Degrees = (Radians x 180) /  π


Symbol : 1 Degree = 1°
               1 Radian = 1^c


1 Radian ≈  57.2958°

1 Degree ≈ 0.017460317^c

Program to calculate Degrees to Radians and Radians to Degrees

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Prime Numbers

Definition :- A Natural number greater than 1 which is divisible by one and itself is known as Prime Number.

Example:- 5 can only be divided evenly by 1 or 5, so it is a prime number.

But 6 can be divided evenly by 1, 2, 3 and 6 so it is NOT a prime number.

Fact: - The Number 2 is the only even number that is  prime.

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Fun with Calculator.......

Take a calculator


Then type the number 12345679


Note : Do not type 8 in the above number..


Multiply it with the table of 9..


For e.g., 12345679 X  9 

               12345679 X 18

               12345679 X 27

               12345679 X 36


and so on.....

See the result.......

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