## Eli_Moses one year ago FAN AND METAL How can I use the following equation in a problem...

$\phi=K \sum_{i}^{}\prod_{j}^{}\exp(\frac{ g ^{j}(1-Ea)^{j-1} }{ (j-1)!(1-(1-Ea)^{j}) }) \log_{} (g-\exp (\alpha t))$