FÓRMULAS BÁSICAS DE EXCEL QUE DEBERÍAMOS SABER
Basic Excel Formulas and Functions
Introduction to Basic Operations
- The video introduces essential Excel formulas and functions, starting with basic mathematical operations.
- Demonstrates how to use the SUM function by typing
=SUM, selecting a range, and pressing Enter for results.
Advanced Summation Techniques
- Explains alternative methods for summing values using direct cell references or numbers within parentheses.
- Highlights the importance of closing parentheses in formulas to ensure accurate calculations.
Other Arithmetic Operations
- Discusses performing subtraction, multiplication, and division using similar syntax as addition.
- Shows how to use direct values or cell references for these operations, emphasizing the use of symbols like
/for division and*for multiplication.
Counting Functions
- Introduces the COUNT function to tally numeric entries in a selected range.
- Notes that non-numeric entries are ignored when counting but can be included using different functions.
Conditional Counting
- Explains the COUNTIF function which allows counting based on specific criteria (e.g., values greater than 50).
- Emphasizes understanding comparison operators (greater than, less than, equal to) when setting criteria.
Averaging Values
- Describes how to calculate averages using the AVERAGE function while applying conditions (e.g., averaging only values above 40).
- Illustrates entering criteria within the AVERAGE formula to filter out unwanted data points from calculations.
Finding Maximum and Minimum Values
- Demonstrates finding maximum values in a range using the MAX function.
- Similarly shows how to find minimum values with the MIN function, reinforcing practical applications of these functions.
Excel Functions and Random Data Generation
Evaluating Criteria with Conditional Statements
- The minimum value is set to 10, and a function is introduced to evaluate criteria based on user input.
- A conditional statement is created where if the value is greater than 50, it returns "aprobado" (approved); otherwise, it returns "reprobado" (failed).
- Changing the input value dynamically updates the result; for example, entering 60 changes the status to approved.
- The formula can be dragged down to apply to adjacent cells, allowing for bulk evaluation of multiple entries.
- This method demonstrates how Excel can handle repeated actions across rows while considering neighboring cell values.
Generating Random Values in Excel
- To generate random numbers, the function
aleatorio(random) is used. Each time a new entry is made in any cell, a new random number appears.
- For specific ranges of random numbers,
aleatorio.entero(integer random) allows users to define limits; for instance, between 10 and 100.
- Users can adjust decimal points as needed when generating these random integers within specified parameters.