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Thursday, 31 January 2013

Kaprekar Number 6174 Theory

The number 6174 is the only unchanged mysterious number discovered by Kaprekar's operation. Discover the mystery behind the 6174 loop by using any four digit number.Rules   Step 1   Select any four digit number, but do not select the ones in which all the four  digits are the same like 1111, 2222, ...     Step 2   Arrange the digits in decreasing order.    Step 3   Arrange the digits in increasing order.    Step 4   Subtract the smaller number from the larger number.  ...

Angel Number 421

Take any whole number and apply the rules and play.Rules   Step 1   Select any whole number.    Step 2   If it is an even number, divide by 2; if it is odd number multiply by 3 and add 1.    Step 3   Repeat the process mentioned in step 2 until you get the loop value 4, 2, 1 in  repetition. Example  Whole number is 15.   15 is an odd no; so (15 × 3) + 1 = 46   46 is an even no; so 46 / 2 = 23   23 is an odd no; so (23 × 3) + 1 = 70   70...

Multiplying Two-digit Numbers By 11

Multiplying Two-digit Numbers By 11 This math multiplication trick helps you to multiply any two digit number by 11 easily and quickly.Example 1: Let us take the example of 12 * 11Step 1:In the first step, let us focus on 12.Split the number 12 like this,1-------2Step 2:Now add the two digits of 12That is1+2=3Step 3:Place 3 in the middle of the two digits of 12 and the result is 132Now, we have arrived at the answer for 12*11=132.Example 2:Now...

Math Addition Trick for Adding Two Digit Numbers

Math Addition Trick for Adding Two Digit NumbersThis math addition trick helps you in adding 2 two-digit numbers mentally without using paper and pen.Let us begin with the basic method of adding two numbers Take the example of 71 + 69This is the usual method which we do with the help of pen and paperAre you interested to do these calculations mentally?If your answer is yes,then read below to learn the trick.Trick:In addition, adding 10 to a two digit...

Finger Multiplication of Ninth (9th) Time Table

Math Trick to easily multiply and learn the ninth (9th) time table. It is used to teach children to learn tricks about multiplication table.Place your fingers as in the below image and number the fingers from 1 to 10. Example Consider the multiplication of 4 × 9. Step 1: Here 4 is to be multiplied by 9. So, fold the 4th finger and count the ones before the folded finger. Number of fingers before the folded finger = 3...

Finger Multiplication of 6,7,8,9,10 Time Tables

Math Trick to easily multiply the numbers from 6 to 10. It is used to teach children to learn tricks about multiplication time tables.Place your fingers as in the below image and consider the value of fingers in each hand to be 6, 7, 8, 9 and 10 - in the order from small finger to thumb. Example Consider the multiplication of 7 × 8. Make the finger numbered 7 in the left hand to touch the finger numbered 8 in the right hand. Step...

Maths Tricks with Numbers

Maths Tricks with NumbersTrick 1:Quick SquareIf you need to square a 2 digit number ending in 5, you can do so very easily with this trick. Mulitply the first digit by itself + 1, and put 25 on the end. That is all!Ex:25 ie(2*(2+1))&25Answer:625Trick 2: Multiply by 5Take any number, then divide it by 2If the result is whole, add a 0 at the end.If it is not, ignore the remainder and add a 5 at the end. 2682 x 5 = (2682 / 2) & 5 or 02682 / 2 = 1341 (whole number so add 0)Ans:13410Let’s try another:5887 x 5,2943.5 (fractional...

Maths Magic - Consecutive Number Fun Tricks

Maths Magic - Consecutive Number Fun TricksHere comes fun math number tricks that you can do to friends and family.Trick 1: 2's trickThink of a number .Multiply it by 3.Add 6 with the getting result.divide it by 3.Subtract it from the first number used.Answer:2Trick 2: Any NumberThink of any number.Double the number.Add 9 with result.sub 3 with the result.Divide the result by 2.Subtract the number with the number with first number started with.Answer: 3Trick 3: Any three digit NumberAdd 7 to it.Multiply the number with 2.subtract 4 with the result.Divide...

Math Magic Tricks - Birthday Date Calcualtion

Math Magic Tricks - Birthday Date CalcualtionHere comes a math trick to play upon calcualting your birthday date. Suprise your friends and family with this magic calculation tricks and have fun.Add 18 to your birth month.Multiply by 25.Subtract 333.Multiply by 8.Subtract 554.Divide by 2.Add your birth date.Multiply by 5.Add 692.Multiply by 20.Add only the last two digits of your birth year.Subtract 32940 to get your birthday!.Example: If the answer is 123199 means that you were born on December 31, 1999. If the answer is not right, you followed...

Math Magic / Phone Number / Missing Digit / Funny Tricks

Math Magic / Phone Number / Missing Digit / Funny TricksThis ia a simple math magic. Here involved few maths tricks to play. You can play these number tricks as instructed, with your parents or friends and prove your talent to them. Have fun with maths.Trick 1: Phone Number trickGrab a calculator (You wont be able to do this one in your head) .Key in the first three digits of your phone number (NOT the area code-if your number is 01-123-4567, the 1st 3 digits are 123).Multiply by 80.Add 1.Multiply by 250.Add the last 3 digits of your phone number...

Math Magic / Number fun / Maths Tricks

Math Magic / Number fun / Maths TricksThis ia a simple math magic. Here involved few maths tricks to play. You can play these number tricks as instructed, with your parents or friends and prove your talent to them. Have fun with maths.Trick 1: 2's trickThink of a number .Multiply it by 3.Add 6 with the getting result.divide it by 3.Subtract it from the first number used.Answer:2Trick 2: Any NumberThink of any number.Double the number.Add 9 with result.sub 3 with the result.Divide the result by 2.Subtract the number with the number with first number...

Math Magic/Tricks

Here we have mentioned few math trick play. You can play these tricks as instructed, with your parents or friends and prove your talent to them.Trick 1: Number below 10Think of a number below 10.Double the number you have thought.Add 6 with the getting result.Half the answer, that is divide it by 2.Take away the number you have thought from the answer, that is, subtract the answer from the number you have thought.Answer: 3Trick 2: Any NumberThink of any number.Subtract the number you have thought with 1.Multiply the result with 3.Add 12 with the...

Names for Powers of 10

Values Zero's Names100          0 One101          1 Ten102          2 Hundred103          3 Thousand104          4 Myriad106          6 Million109          9 Billion1012 12 Trillion1015 15 Quadrillion1018 18 Quintillion1021 21 Sextillion1024 24 Septillion1027 27 Octillion1030 30 Nonillion1033 33 Decillion1036 36 Undecillion1039 39 Duodecillion1042 42 Tredecillion1045 45 Quattuordecillion1048...

Number 2519

Number 2519: It is an interesting number. Here are some funny math interesting facts about this number 2519. Enjoy the Facts.2519 Mod n means the reminder of 2519/n, here / is the integer division.2519 Mod n 2519 Mod 2 = 12519 Mod 3 = 22519 Mod 4 = 32519 Mod 5 = 42519 Mod 6 = 52519 Mod 7 = 62519 Mod 8 = 72519 Mod 9 = 82519 Mod 10 = 9Sequential Numbers with 25191259 x 2 + 1 = 2519839 x 3 + 2 = 2519629 x 4 + 3 = 2519503 x 5 + 4 = 2519419 x 6 + 5 = 2519359 x 7 + 6 = 2519314 x 8 + 7 = 2519279 x 9 + 8 = 2519251 x 10 + 9 = 2...

Amazing Prime Numbers

Amazing Prime Numbers:     There are few amazing prime numbers, which are unbelievable. Here are some funny math interesting facts of prime numbers. Enjoy the Facts.Here are few amazing prime numbers, these prime numbers were proved by the XVIIIth century.31331333133331333331333333133333331The next number 333333331 is not a prime number. Whereas it is multiplied by 17 x 19607843 = 3333333...

Beauty of Mathematics

Beauty of Mathematics:     Here are some funny math interesting facts. All the below tricks are based around the sequential manipulation of the numbers being used for input and output.Sequential Inputs of numbers with 81 x 8 + 1 = 912 x 8 + 2 = 98123 x 8 + 3 = 9871234 x 8 + 4 = 987612345 x 8 + 5 = 98765123456 x 8 + 6 = 9876541234567 x 8 + 7 = 987654312345678 x 8 + 8 = 98765432123456789 x 8 + 9 = 987654321Sequential 1's with 91 x 9 + 2 = 1112 x 9 + 3 = 111123 x 9 + 4 = 11111234 x 9 + 5 = 1111112345 x 9 + 6 = 111111123456 x 9 + 7 =...

Age Calculation

Age CalculationHere you can find the age using some tricks. You can play these trick as instructed, with your parents or friends and prove your talent to them.Age Calculation Tricks:Multiply the first number of the age by 5. (If <10, ex 5, consider it as 05. If it is >100, ex: 102, then take 10 as the first digit, 2 as the second one.)Add 3 to the result.Double the answer.Add the second digit of the number with the result.Subtract 6 from ...

Day of the Date

Here are some shortcuts/tips to find out the day of the week from the given date. You can play these trick as instructed, with your parents or friends and prove your talent to them.Day of the Week:January has 31 days. It means that every date in February will be 3 days later than the same date in January(28 is 4 weeks exactly). The below table is calculated in such a way. Remember this table which will help you to calculate.January         0February         3March         3April...

Sunday, 27 January 2013

SERIAL COMMUNICATION

SERIAL COMMUNICATIONBASICS OF SERIAL COMMUNICATION:Computers transfer data in two ways:ParallelOften 8 or more lines (wire conductors) are used to transfer data to a device that is only a few feet awaySerialTo transfer to a device located many meters away, the serial method is usedThe data is sent one bit at a timeAt the transmitting end, the byte of data must be converted to serial bits using parallel-in-serial-out shift registerAt the receiving...