Table of Contents
This article provides a clear overview of Basic Functions in Excel - Common Calculator Functions That, with the main facts, useful context, and practical details organized for easy reading.
1. Ham and

- Structure: And (logiccal1, logical 2,.)
+ Where logical 1, logical 2 are conditional expressions.
+ There are up to 256 logical expressions.
- Return value of And function:
+ Return True: If all conditions carry true values.
+ Return False: If there is a condition with false value.
- Value table:
And (Logical 1, logical 2, logical 3)
Logical 1
Logical 2
Logical 3
True
True
True
True
False
False
False
True
False
False
False
False
2. the or Function
- Structure: And (logical 1, logical 2,.)
+ Where logical 1, logical 2,. are conditional expressions.
+ There are up to 256 logical values
- Return value of the Or function:
+ Return True: if there is at least 1 condition with true value.
+ Return False: If all conditions are false.
Table of values for the Or function:
Or (Logical 1, logical 2)
Logical 1
Logical 2
Logical 3
True
True
True
True
False
True
False
True
True
False
False
False
3. the Not Function
- Syntax: Not (Logical)
+ Where: Logical is required
+ Not function is the function to get the inverse value or use in trigonometric functions.
- Return value of the Or function:
+ Returns True if Logical is false.
+ Return False if Logical is true.
The value table for the Not function:
Value condition
Or magic result (Condition)
True
False
False
True
4. Ham Sum
A function that sums values in cells or in a list in Excel. Is a tool to help calculate quickly.
- Syntax: Sum (value 1, value 2,.)
+ In which: value 1, value 2 are the values to be calculated.
+ Return value: is the numerical value.
- Example of using Sum function.

We use the Sum function to calculate food for employees:

Result:

5. the Count Function
- Syntax: Count (value 1, value 2,.)
- The Count function counts the number of cells that meet certain conditions.
- For example, count the number of cells with numeric values in the following table:

- Use the Count function: Structure of Count (F9: J12).

Above I introduced some basic functions in Excel. Good luck!
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