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Computational Ecology and Software, 2025, 15(2): 57-77
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Article

probDistriCal: The online calculator for probability distributions

WenJun Zhang1, YanHong Qi2
1School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, China
2Sun Yat-sen University Library, Sun Yat-sen University, Guangzhou 510275, China

Received 28 October 2024;Accepted 21 November 2024;Published online 25 December 2024;Published 1 June 2025
IAEES

Abstract
In present study, a calculator, probDistriCal, was developed for probability distributions. In the calculator, the probability distributions as normal distribution, t distribution, F distribution, χ2 distribution, exponential distribution, power law distribution, Weibull distribution, Zhang distribution, binomial distribution, Poission distribution, and negative binomial distribution, etc., were available for use. Given a random value, the corresponding probability for a known probability distribution can be calculated. The calculator is web browser based that includes both online and offline versions and can be used on various computing devices (PCs, iPads, smartphones, etc.), operating systems (Windows, Mac, Android, Harmony, etc.) and web browsers (Chrome, Firefox, etc).

Keywords calculator;online;probability;normal distribution;t distribution;F distribution;χ2 distribution;exponential distribution;power law distribution;Weibull distribution;Zhang distribution;Poission distribution;Binomial distribution;Negative binomial distribution.


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