Mathlean · Online math workspace
Digamma function calculator
Evaluate the logarithmic derivative of the Gamma function.
How to use this calculator
Edit Digamma(1); its exact value is minus the Euler–Mascheroni constant.
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
The digamma function has poles at nonpositive integers. Constants are not free variables.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.