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Hyperbolic cosine integral calculator

Evaluate the hyperbolic cosine integral Chi.

How to use this calculator

Edit CoshIntegral(1).

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

CoshIntegral⁡(1)\operatorname{CoshIntegral}\left(1\right)

Interactive tools require JavaScript. You can read the guide and example without it.

What to know

Chi includes a logarithmic term and has a singularity at zero; complex arguments require branch conventions.

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