# Exponential integral En(x) Calculator

## Calculates the exponential integral E | |||

Exponential integral En(x)

[1-6] /6 | Disp-Num |

- Purpose of use
- for radiative transfer calculations,

at home without handbook tables - Comment/Request
- very useful for this purpose

[1] 2014/12/19 04:30 Male / 60 years old level or over / High-school/ University/ Grad student / Very /

- Purpose of use
- I am a rewtired Physical Chemistry Professor and am using Physical Chemistry to do calculation of greenhouse gas fluxes. I need values of the exponential integral function to evaluate the fluxes.
- Comment/Request
- I am just startying, but what you are providing will be of great use to me.

[2] 2012/01/08 06:28 Male / 40 years old level / Others / Very /

- Purpose of use
- Exponential Integral function has no short-term expansion for values around 1 or .75. This was useful for that.
- Comment/Request
- Great!!!

[3] 2010/05/14 18:50 Female / 50 level / A researcher / Very /

- Purpose of use
- project
- Comment/Request
- this site helped me a lot for my project purpose...thanks a lot.....

[4] 2009/12/23 15:50 Female / 20 level / A specialized student / Very /

- Purpose of use
- Special functions calc
- Comment/Request
- It's a great tool!

[5] 2009/10/02 08:19 Male / 30 level / A university student / Very /

- Purpose of use
- Dose assessment
- Comment/Request
- Thanks!

[6] 2009/05/01 18:03 - / 50 level / A teacher / Very /

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