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### How to Construct Magic Square (Maths Square Secrets) In one of the previous posts we looked about 4 X 4 magic square. In that we have shown a magic square with constant 50. In this post we will find how to construct a magic square.

Using the following steps you can create 4 X 4 magic square with any constant (number) between 22-99.

1. Select a constant number between 22-99 (say Y)
2. Draw a square with 4 rows and 4 columns.

3. First fill these squares (pink squares) using 9, 10, 11, 12 as shown in picture, regardless of the number you have selected.

4. Then fill these squares with 1-8 as shown in picture

5. Now you have to fill only four squares (A, B, C, D)

You can easily calculate A,B,C,D by:
A = Y - 20
B = Y - 19
C = Y - 21
D = Y - 18
where Y is the constant number that you have selected between 22 and 99.
Lets say the constant number Y is 50 then:
A = (50-20) = 30
B = (50-19) = 31
C = (50-21) = 29
D = (50-18) = 32

6. Lets see another example with constant number Y = 55
In this case, A = 35 ,  B=36,  C=34,   D=37

IMPORTANT - If you want to surprise someone with this magic square, don't fill the square using the same steps, which I have shown. If you generate the same way then, they will find the secret easily. So Keep in mind the places where 1-12 should come. Then fill the squares in a random manner. They will say you are a mathematics magician :)

### How to Convert Excel Charts into High Resolution Images

Microsoft Excel is widely used to generate graphs and to analyse data due to its simple graphical user interface. Have you ever tried to convert the charts into images? If yes, you might have used "Print Screen" feature to easily convert the charts into images. However most of the scientific journals require the images in high resolution TIFF format. So in this post we will look at how to convert Microsoft Excel Charts/Graphs easily into high resolution images.