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# Math equation in Confluence?

Hello everybody.

I am wondering if something is possible to do in Confluence.

We are a company delivering v belts, and often we have to do calculations for how long belt our customer needs

The equation is like this (sorry for posting pic, but not sure how to write this):

L: Belt length in mm
C: Center distance in mm
D: Big pulley diameter in mm
d: Small pulley diameter in mm

What I want to do is this: If we know the center distance and center distance we can calculate the length we need for the belt.

The best solution for us is if we in a form or something can punch in the information (C, D,d), push enter and then find the needed length (L).

Is this possible to do? If yes, how can I write this equation?

Thank you very much.

Unfortunately this is not possible in onDemand Confluence.

There are a couple of plugins in the marketplace: https://marketplace.atlassian.com/search?q=equation

Hello!

For any calculations in Confluence, including the one you need, you may use CelesteCS Math for Confluence.  There are versions for both Confluence Server and Confluence Cloud.

Assume you have all the formula parameters in the table and want to calculate the result with the formula. Assume your parameters are the following table cell values:

• A2: C
• A3: D
• A4: d

The calculation formula will be the following:

2 * VALUE(Table1.A2) + POW(VALUE(Table1.A3) - VALUE(Table1.A4)) / (4 * VALUE(Table1.A2)) + 1.57 * (VALUE(Table1.A3) + VALUE(Table1.A4))

As you see, it is similar to EXCEL with equal set of functions.

There is a plenty of other functions in the macro, so you may perform any calculations using formulas in EXCEL style.

Thanks!

Thanks Alexey for the info above.

I am trying to create a table that contains the following information:

- Allocated Time (which I've entered manually on the Confluence page)

- Remaining Time (which is = Allocated Time - Sum of all time logged on Completed issues on a project)

Does your plugin support formulas that can sum time logged on an issue filter?

Best regards.

there is a various plugin for write math question and formulas such as Mathjax.

for example https://www.andlearning.org/math-formula

if you have any other question for support regarding mathjax you easily take.

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