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Attribute Chart calculations
Each of the charts supported by the Attribute Chart has their own specific calculations. This article shows and illustrates the applied formulas.
c chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-c-chart.png)
np chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-np-chart.png)
p chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-p-chart.png)
Laney p’ chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-laney-p-chart-1.png)
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-laney-p-chart-2.png)
u chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-u-chart.png)
Laney u’ chart calculations
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-laney-u-chart-1-1.png)
![](https://devshop.novasilva.com/wp-content/uploads/2024/04/Formula-laney-u-chart-2.png)