Piaget's theory of cognitive development is a comprehensive theory about the nature and development of human intelligence. Piaget believed that one's childhood plays a vital and active role in a person's development Piaget's idea is primarily known as a developmental stage theory.hildren learn that they are separated from the environment. They have aspect of environment, even though they may be outside the reach of a child's senses. In this stage, according to Piaget, the development of object permanence is one of the most important accomplishments.
We use symbols to custom format numbers in Microsoft Excel. We can use formats like â#â, â0â (zero), Comma â,â, âkâ, etc. 0 (zero):- Zero is used to provide the number sequence in custom formatting as we cannot format each number.
On the Number tab choose Custom and enter the following custom format in the Type box: 00\/00\/0000. The forward slash has special meaning in a custom format, so you must precede it with a backslash to tell Excel that you want the literal character, not its special meaning.onfiguring Excel to display date and time digits that you've entered without punctuation is a simple matter of defining the correct custom format. However, changing the formatting doesn't change the actual data. Even when you see 08/21/2007 displayed, Excel will still treat the data as the number 8,212,007.