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EXP Function
Summary
The EXP function calculates e raised to the power of a given number, where e is the mathematical constant approximately equal to 2.71828 (base of the natural logarithm). This is essential for exponential growth calculations, compound interest, and scientific modeling.
Syntax
EXP(number)Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| number | Number |
Yes | The power to which e is raised. Positive values yield growth, negative values yield decay. |
Using the EXP Function
EXP is widely used in financial modeling for continuous compounding, scientific calculations for exponential decay/growth, statistical modeling, and any scenario requiring e-based exponentiation. It provides precise results across Excel's full numeric range.
Common EXP Examples
Calculate value of e
=EXP(1)Returns approximately 2.71828, the value of constant e.
e squared
=EXP(2)Returns approximately 7.389, which is e^2.
Exponential decay
=EXP(-1)Returns approximately 0.3679, showing decay.
Frequently Asked Questions
Common Errors and Solutions
#NUM!
Cause: Input is too large or too small for Excel's numeric range
Solution: Use smaller exponents or check input values
#VALUE!
Cause: Non-numeric input provided
Solution: Ensure number argument contains valid numeric data
Notes
- Most precise for natural exponential calculations
- Use ^ operator for other bases like 2^x or 10^x
- Common in Black-Scholes option pricing formulas
- Excel stores e with 15 decimal places precision
Compatibility
Available in: Excel 2007, Excel 2010, Excel 2013, Excel 2016, Excel 2019, Excel 2021, Excel 2024, Excel for Microsoft 365, Excel for the web
Not available in:
Content last reviewed: December 11, 2025
Update frequency: As needed
Excel versions tested: Excel 2007+