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Another calculator for double integrals (also great)

Krystian Karczyński

Founder and General Manager of eTrapez.

Graduate of Mathematics at Poznan University of Technology. Mathematics tutor with many years of experience. Creator of the first eTrapez Courses, which have gained immense popularity among students nationwide.

He lives in Szczecin, Poland. He enjoys walks in the woods, beaches and kayaking.


Introducing a double integral calculator that I have redesigned (based on Wolframalph):

That something at the top is not a picture, but a calculator warmed up and ready to calculate. In the first field with f(x,y), we enter the function from which we are calculating the integral (subintegral function). It should be entered according to the general rules for entering mathematical formulas.

In the next field we enter the order of integration. To simplify the matter – which of the variables is within fixed limits (is limited by numbers). If both variables are within constant limits, the order is arbitrary.

In the next fields we enter the area of integration, that is, how the variables are bounded. If any of the variables are bounded by functions, you need to enter in a function formula – again, of course, according to the general rules for entering mathematical formulas.

At the end we just give “Calculate” and we have – if there were no errors along the way – an elegant result.

Request for questions and comments

Ask questions and report problems in the comments to this post, please.

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