Mathlean · Online math workspace
Dirichlet eta calculator
Evaluate the alternating zeta function.
How to use this calculator
Replace the argument of DirichletEta. At 2 the exact value is pi squared over 12.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
Do not confuse this function with the Dedekind eta function; they have different domains and definitions.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.