Accuracy

$\Large \frac{TP\ +\ TN}{TP\ +\ TN\ +\ FP\ +\ FN}$

False Negative Rate

$\Large \frac{FN}{FN\ +\ TP}$

False Positive Rate

$\Large \frac{FP}{FP\ +\ TN}$

True Negative Rate

$\Large \frac{TN}{TN\ +\ FP}$

True Positive Rate or Recall

$\Large \frac{TP}{TP + FN}$

Positive Predictive Value or Precision

$\Large \frac{TP}{TP\ +\ FP}$