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defining a variable

hello im solving the equation at the end .But i dont want that unknown variable to be marked in red colour how to solve this problem.

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Copy & Pasting large data tables into MathCad

Hi all, I have built a calculation sheet that is dependent on some rather large data tables. I have used the Insert > File Input method to reference these tables. This works fine for building the...

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Mathcad 15 to Mathcad Prime 3 Converter

Hello,I am completely new to this forum and I have 2 questions. I tried searching the discussions for the answers but I was not able to find the complete answers.Please excuse me if I missed something....

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Equation variable depending

Hi I have a main equation formed by a sub equation with two variables of interest (AA and BB), plus a third (D) that can not be cleared, so I solve by iteration with the help of the Given and Find...

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Forwards and Backwards Compatibility with Custom Functions

We have previously built a MathCAD wrapper for the CoolProp (www.coolprop.org) library of fluid properties. I am rebuilding the wrapper for the new version of our library, and I was wondering what...

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Can I distribute MCADINCL.H and mcaduser.lib?

I am building an updated wrapper of our library (www.coolprop.org) for MathCAD.   My question is very simple.  Am I allowed to include MCADINCL.H and mcaduser.lib in my source code repository according...

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Operations with Excel tables

Hello everyone  I'm trying to extract values for certain variables from multiple tables based on a data table to perform operations with the values of interest. Attached is a file in which I show what...

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symbolic evaluation not evaluating symbolically

I am working through this tutorial (from this site), using Mathcad Prime 3.0, F000  The thing that is driving me absolutely crazy is tha tI can't get it to solve symbolically, like the tutorial says it...

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Double integreal calculation, unknown error

Hello there, I have try to calculate a volume of a torus, and for that I use a function of z and two integrals, but I got error "unknown error". I believe my formula is right, also expression.  You can...

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problem solving

In the attached why im getting imaginary in Tresca criteria and not in vonmises please help me

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One optimization problem with escalator

I do not usuallystandon a movingescalatorandgo through it.I want to passthe maximum number ofsteps. Up or Down!What is the speed(stepsper second)should I go?One symbolic and numeric solution I need...

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What happened to the collection of worksheets library?

There was a useful collection of worksheets available until recently with a wide selection of topics in engineering: Civil, Electrical, thermodynamics, physics and mathematics, but suddenly it is no...

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Random unit assigned to 0

Hi, I have tried to do some fixed-step equation solving for power converters, and I have encountered a very weird phenomenon : a unit assigned to "0" without being asked.  here is a file that...

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Extraction and sum of values in an array

Hello everyone  As I can extract values from different columns of a matrix and get the total sum. Attached is a sample sheet with what I do. Thanks in advance

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This value mast be a vector

HiI need help because I can"t  solve my task. Please look at this situations. I need solve it vary guickly. Thanks for help

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Divide by zero

HiI need help because I can"t  solve my task. Please look at this situations. I need solve it very guickly. Thanks for help

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NaN not always working as expected in Prime 3.0

I am developing a worksheet that performs a series of simple mathematical operations on an array of data.  Sometimes there will be missing data, so I am using NaN for those cases.  Most of these...

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Unable to activate Excel component

Hi all, I'm getting an error for an Excel component table.  When I click on it to open Excel and edit the values I get the following error: "Excel is busy; can't activate Excel.  Make sure that cells...

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Undefault margins?

Welcome everybody, that is my first message here. I just want to know how to define other margins in Mathcad Prime 3.0 ? There are 3 types (narrow, wide and standard) but I need to change them somehow....

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What is best way to save Mathcad15 plot on PowerPoint slide?

After producing a Mathcad 15 plot on a Windows 8 computer, what is the best way to save a high-resolution (ideally 600 x 600) image of the plot on a PowerPoint 2007 slide?

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