Excel- logic function

1, two ways of calculation Excel

Excel calculated in two ways:
                     1 , the formula: consisting of a number of operators and numerical mathematical expression
                     2, function: Excel is provided inside the operation module good

2, EXcel operator

3, the operation sequence

 4, excel formulas and functions written specification

. 1 , Excel functions are case-insensitive, at the end of editing a formula, Excel automatically converted to uppercase;

 2 , each parameter must be separated by a comma;

 3 , text use quotation marks to cause parameter;

 4 , digital front there is also a comparison operator to use double quotes;

 5 , enter punctuation in the English state, can not enter punctuation in the Chinese state;

 6, brackets input function in pairs, if only one pair of brackets, you can not enter a closing parenthesis .

5, absolute references and relative references

$ Lock

Multiplication table - from B to pull down, and we hope that does not change the value of B1