Mathlean · Online math workspace
Dirichlet beta calculator
Evaluate the alternating series over odd reciprocal powers.
How to use this calculator
Replace the argument of DirichletBeta; its value at 1 is pi/4.
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
This is not Euler's two-argument beta function.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.