Compact mode

ISBLANK vs ISNUMBER vs LEFT

Table of content

Basic Classification Comparison
Usage Context Comparison
Basic Information Comparison
History Comparison
Facts Comparison

Usage Information Comparison
Technical Details Comparison
Evaluation Comparison
Ratings Comparison

Basic Classification Comparison

Function Category 📊

Primary classification of the Excel function based on its main purpose and usage domain, helps users quickly identify function types

ISBLANK

Information

ISBLANK belongs to the Information category. Excel functions that provide information about cells and data Click to see all.

ISNUMBER

Information

ISNUMBER belongs to the Information category. Excel functions that provide information about cells and data Click to see all.

LEFT

Text

LEFT belongs to the Text category. Excel functions for manipulating and analyzing text data Click to see all.
Operation Type 🔧

Fundamental type of operation or action that the Excel function performs on its inputs

ISBLANK

Comparison

ISBLANK performs Comparison operations. Excel functions for comparing values and data Click to see all.

ISNUMBER

Comparison

ISNUMBER performs Comparison operations. Excel functions for comparing values and data Click to see all.

LEFT

Manipulation

LEFT performs Manipulation operations. Functions that modify and transform data in different ways Click to see all.

Usage Context Comparison

For whom 👥

Target user groups who would benefit most from using this Excel function

For all*

Data Analysts

Excel functions specifically designed for data analysis and interpretation

ISBLANK

Business Managers

ISBLANK is designed for Business Managers. Excel functions helpful for business management and decision making Click to see all.

ISNUMBER

Engineers

ISNUMBER is designed for Engineers. Excel functions commonly used in engineering calculations and analysis Click to see all.

LEFT

Administrative Staff

LEFT is designed for Administrative Staff. Excel functions useful for administrative tasks and data management Click to see all.
Purpose 📝

Primary purposes and use cases of the Excel function

ISBLANK

Data Analysis

ISBLANK is used for Data Analysis. Functions specifically designed for analyzing data Click to see all.

ISNUMBER

Data Analysis

ISNUMBER is used for Data Analysis. Functions specifically designed for analyzing data Click to see all.

Conditional Logic

ISNUMBER is used for Conditional Logic. Functions used for conditional calculations and logic operations Click to see all.

LEFT

Text Manipulation

LEFT is used for Text Manipulation. Excel functions that modify and format text content Click to see all.

Basic Information Comparison

Known For ⭐

Distinctive characteristic or primary strength of the Excel function

ISBLANK

Empty Cell Detection

ISBLANK is known for Empty Cell Detection.

ISNUMBER

Number Validation

ISNUMBER is known for Number Validation.

LEFT

Text Extraction

LEFT is known for Text Extraction.

History Comparison

Creation Date 📅

Original release date of the Excel function

ISBLANK

Excel 2.0

ISBLANK was created in Excel 2.0. Functions introduced in the Excel 2.0 version release Click to see all.

ISNUMBER

Excel 2000

ISNUMBER was created in Excel 2000. Functions first released with Excel 2000 version Click to see all.

LEFT

Excel 95

LEFT was created in Excel 95. Functions that came with Excel 95 release Click to see all.
Created By 👤

Organization or team responsible for developing the function

For all*

Microsoft Excel Team

Functions officially created by the Microsoft Excel development team

Facts Comparison

Interesting Fact 💡

Unique or lesser-known information about the Excel function

ISBLANK

Originally designed to detect truly empty cells

ISNUMBER

Used over 1 billion times daily

LEFT

Often paired with RIGHT
Sarcastic Fact 🤣

Humorous or ironic observation about the Excel function

ISBLANK

Sometimes mistakes spaces for emptiness

ISNUMBER

The bouncer of Excel functions - strictly checks IDs

LEFT

The function that discriminates against right-handed people

Usage Information Comparison

Formula Complexity Level 📖

Indicates the difficulty level and complexity of using the Excel function effectively

For all*

Simple

Basic Excel functions for common calculations and tasks

Technical Details Comparison

Input Data Type 📝

Types of data that the Excel function accepts as input parameters

ISBLANK

Boolean

ISBLANK accepts Boolean as input data. Excel functions that work with TRUE/FALSE logical values Click to see all.

ISNUMBER

Number

ISNUMBER accepts Number as input data. Excel functions specifically designed for numerical calculations Click to see all.

Text

ISNUMBER accepts Text as input data. Excel functions specifically designed for text manipulation Click to see all.

LEFT

Text

LEFT accepts Text as input data. Excel functions specifically designed for text manipulation Click to see all.
Version Compatibility 💻

Indicates which Excel versions and platforms the function is compatible with < including Office 365< Excel 2019< 2016< etc.

For all*

Excel 2019

Excel functions that work specifically in Excel 2019 version
Excel 2016

Excel functions that work specifically in Excel 2016 version
Excel 2013

Excel functions that work specifically in Excel 2013 version

ISNUMBER

Microsoft 365

ISNUMBER is compatible with Microsoft 365 Excel functions optimized for the latest Microsoft 365 platform Click to see all.

LEFT

Microsoft 365

LEFT is compatible with Microsoft 365 Excel functions optimized for the latest Microsoft 365 platform Click to see all.

Excel Online

LEFT is compatible with Excel Online Excel functions optimized for use in the web-based Excel Online platform Click to see all.
Operating System 💾

Specifies the operating systems where the function can be used < including Windows< macOS< and web platforms

For all*

Windows

Excel functions optimized for Windows operating system
MacOS

Excel functions optimized for MacOS users
Web Excel

Excel functions available in web-based versions
Required Arguments Count 🔢

Number of mandatory arguments needed for the function to work properly

ISBLANK

1

ISBLANK needs 1 required arguments Click to see all.

ISNUMBER

1

ISNUMBER needs 1 required arguments Click to see all.

LEFT

2

LEFT needs 2 required arguments Click to see all.
Required Arguments Type 📊

The data types accepted as valid input arguments for the function

ISBLANK

Range

ISBLANK accepts Range as input types Excel functions that operate on cell ranges for calculations Click to see all.

ISNUMBER

Number

ISNUMBER accepts Number as input types Excel functions that perform calculations specifically with numerical inputs Click to see all.

Text

ISNUMBER accepts Text as input types Excel functions specialized in text string manipulation and processing Click to see all.

LEFT

Text

LEFT accepts Text as input types Excel functions specialized in text string manipulation and processing Click to see all.

Number

LEFT accepts Number as input types Excel functions that perform calculations specifically with numerical inputs Click to see all.

Evaluation Comparison

Pros ✅

Key advantages and strengths of the Excel function

ISBLANK

Easy To Use

Reliable For Data Validation

Simple Syntax

ISNUMBER

Fast Execution

Functions that process data quickly and efficiently Click to see all.

Simple Syntax

Reliable Results

LEFT

Simple Text Extraction

Consistent

Easy Text Handling

Quick

Quick Excel functions deliver rapid results with minimal processing time Click to see all.
Cons ❌

Limitations and potential drawbacks of the Excel function

ISBLANK

Limited To Cell Emptiness Only

Cannot Detect Whitespace

ISNUMBER

Limited To Number Checking

Functions restricted to verifying if values are numbers without additional capabilities Click to see all.

Binary Output Only

No Customization

LEFT

Limited To Left Side

Functions that only work with characters from the left side of text entries Click to see all.

Fixed Length Only

Functions restricted to processing fixed-length inputs, reducing versatility Click to see all.

Only Left Side

Fixed Length

Functions only process data of specific lengths, limiting adaptability Click to see all.

Ratings Comparison

Ease of Use Score 📊

User-rated score for function's ease of use

ISBLANK

9.5

User-rated score for function's ease of use (25%) Having high ease of use score means the function is more intuitive and user-friendly. Click to see all.

ISNUMBER

9.8

User-rated score for function's ease of use (25%) Having high ease of use score means the function is more intuitive and user-friendly. Click to see all.

LEFT

9.5

User-rated score for function's ease of use (25%) Having high ease of use score means the function is more intuitive and user-friendly. Click to see all.
Versatility Score 📈

Rating for function's adaptability to different scenarios

ISBLANK

6.5

Rating for function's adaptability to different scenarios (25%) Functions with higher versatility scores can be used in more diverse scenarios and applications. Click to see all.

ISNUMBER

5.5

Rating for function's adaptability to different scenarios (25%) Functions with higher versatility scores can be used in more diverse scenarios and applications. Click to see all.

LEFT

6.5

Rating for function's adaptability to different scenarios (25%) Functions with higher versatility scores can be used in more diverse scenarios and applications. Click to see all.
Performance Score ⚙

Rating for function's execution speed and efficiency

ISBLANK

9.8

Rating for function's execution speed and efficiency (25%) Functions with higher performance scores execute faster and use system resources more efficiently. Click to see all.

ISNUMBER

9.9

Rating for function's execution speed and efficiency (25%) Functions with higher performance scores execute faster and use system resources more efficiently. Click to see all.

LEFT

9

Rating for function's execution speed and efficiency (25%) Functions with higher performance scores execute faster and use system resources more efficiently. Click to see all.
Reliability Score 🛠

Rating for function's consistency and error handling

ISBLANK

9.9

Rating for function's consistency and error handling (25%) Functions with higher reliability scores produce more consistent results and handle edge cases better. Click to see all.

ISNUMBER

9.9

Rating for function's consistency and error handling (25%) Functions with higher reliability scores produce more consistent results and handle edge cases better. Click to see all.

LEFT

9.5

Rating for function's consistency and error handling (25%) Functions with higher reliability scores produce more consistent results and handle edge cases better. Click to see all.
Score ⭐

Overall rating combining all scoring attributes

ISBLANK

8.9

The overall score for ISBLANK is 8.9. Click to see all.

ISNUMBER

8.78

The overall score for ISNUMBER is 8.78. Click to see all.

LEFT

8.6

The overall score for LEFT is 8.6. Click to see all.

Alternatives to ISBLANK

Known for Counting With Conditions

🔢 needs fewer arguments than ISNUMBER

📈 is more versatile than ISNUMBER

Known for Formula Inspection

Known for Conditional Statements

🔢 needs fewer arguments than ISNUMBER

📈 is more versatile than ISNUMBER

⭐ is rated higher than ISNUMBER

Known for Vertical Data Search

🔢 needs fewer arguments than ISNUMBER

📈 is more versatile than ISNUMBER

Known for Basic Arithmetic Calculations

📈 is more versatile than ISNUMBER

⭐ is rated higher than ISNUMBER

Known for Text To Date Conversion

📈 is more versatile than ISNUMBER

Known for Column Number Retrieval

⭐ is rated higher than ISNUMBER

Known for Row Number Retrieval

⭐ is rated higher than ISNUMBER

Known for Count Non-Empty Cells

📈 is more versatile than ISNUMBER

⭐ is rated higher than ISNUMBER

Known for Error Checking For #N/A Values