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Multiple Integral Calculator - eMathHelp

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Overview:: This site contains an online calculator that finds multiple integrals (double or triple integrals). The user enters a function of two or three variables and corresponding limits of integration and the tool evaluates the integral.
Type of Material:: Simulation
Recommended Uses:: Lecture Notes, Assignments, or Handouts for Calculus III.
Technical Requirements:: Any browser.
Identify Major Learning Goals:: To provide students with an online calculator specifically for multiple integrals - by writing any function and specifying the bounds of the integral. Then the solution will be shown.
Target Student Population:: Students of the Calculus III class and other related classes such as a review session in an Electromagnetics course.
Prerequisite Knowledge or Skills:: Completion of the Calculus II course.

Rating:
Strengths:: This site provides users with an online calculator to calculate the multiple integral of a function of their choice. Users can also specify the bounds of the integral. There is also a guide underneath the the “Enter bounds” to guide users how to write the bounds correctly. This site offers great help for students of Calculus III who want to check the answers of their course assignments and projects when they do practice questions about multiple integrals. This site can be included as a part of a lecture or as an extra online tutorial for students.
Concerns:: The site does not provide any explanations or intermediate steps – just the answer.

Rating:
Strengths:: Both instructor and student can use this site in Calculus III in a lecture about multiple integrals. Students can ask the owner of the site their questions on one of the topics in the site. There is a (lecture notes) section, but it is under construction at this time. There are solved questions and math problems from various topics in Calculus, Differential Equations, and Linear Algebra.
Concerns:: The notes and solved questions are part of the larger eHelp site and do not specifically relate to this multiple integral calculator.

Rating:
Strengths:: Students and instructors can access this calculator in this site easily, but sometimes calculations can take some time.
Concerns:: The advertisements are intrusive, being interwoven and difficult to distinguish from content buttons. There is reference to sending “Comments” but no such function is visible until you search under “Contact Us” in the fine print at the bottom of the page.