Eta

Type it

Ways to write the Eta symbol
UnicodeU+03B7
LaTeX\eta
HTML entityη
Characterη

Meaning

The seventh letter of the Greek alphabet. It often stands for efficiency, a learning rate, or a small test function. Compare with Zeta and Theta.

How to read it

η = 0.01

is read “eta equals zero point zero one”.

More Greek Letters symbols