# Exponential integral Ei(x) Calculator

## Calculates the exponential integral Ei(x). | |||

- Purpose of use
- Single-Phase Fluid Flow in Reservoirs

[1] 2018/11/29 12:00 Male / 30 years old level / High-school/ University/ Grad student / Very /

- Purpose of use
- thanks

[2] 2017/11/21 04:11 Male / 20 years old level / An engineer / Very /

- Purpose of use
- Solution to equation relating to climate change

[3] 2017/11/14 02:28 Male / 60 years old level or over / A retired people / Very /

- Purpose of use
- to find solution for flow through fractures
- Comment/Request
- useful

[4] 2016/09/12 23:10 Male / 20 years old level / High-school/ University/ Grad student / Very /

- Purpose of use
- Darcy's Eq for early time gas well drawdown
- Comment/Request
- Very handy

[5] 2015/12/10 04:29 Male / 60 years old level or over / An engineer / Very /

- Purpose of use
- Validate software result

[6] 2015/04/17 19:01 Male / 30 years old level / An engineer / A little /

- Purpose of use
- Solving a double integral question which has an ExpInt as the inner integral

[7] 2015/01/11 15:15 Male / Under 20 years old / High-school/ University/ Grad student / Useful /

- Purpose of use
- Interference Test Calculations

[8] 2014/12/19 20:56 Male / 50 years old level / An engineer / Very /

- Purpose of use
- compare approximate function (my own) to tabulated data.

[9] 2014/08/19 23:58 Male / 40 years old level / A teacher / A researcher / Very /

- Purpose of use
- research work in high energy physics

[10] 2014/05/29 18:40 Male / 60 years old level or over / A teacher / A researcher / Very /

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