## Gap trading strategies using options

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Every digit in a decimal number has a "position", and the decimal point helps us to know which position is which:. The position just to the left of the point is the "Ones" position. If we see a "7" there we know it means 7 ones.

Every position further to the left is 10 times bigger, and every position further to the right is 10 times smaller. This is just a way of writing down a value. Other ways include Roman Numerals , Binary , Hexadecimal , and more. You could even just draw dots on a sheet of paper!

The Decimal Number System is also called "Base 10", because it is based on the number 10, with these 10 symbols:. But notice something interesting: But you don't have to use 10 as a "Base". You could use 2 "Binary" , 16 "Hexadecimal" , or any number you want to! Now see if it has tallied the right number of dots, as in this example using base 2.

Count up until just before the "Base Number", then start at 0 again, but first you add 1 to the number on your left. Binary Numbers are just "Base 2" instead of "Base 10". So you start counting at 0, then 1, then you run out of digits They look the same as the decimal numbers up to 9, but then there are the letters "A',"B","C","D","E","F" in place of the decimal numbers 10 to Hide Ads About Ads. Every digit in a decimal number has a "position", and the decimal point helps us to know which position is which: Every position further to the left is 10 times bigger, and every position further to the right is 10 times smaller This is just a way of writing down a value.

Bases The Decimal Number System is also called "Base 10", because it is based on the number 10, with these 10 symbols: In decimal you count "0,1,2,3,4,5,6,7,8,9, So you add 1 on the left and then start again at 0: In binary you count "0,1,