Mathcad

I want to fit my experimental statistical data, which looks very close to a Gaussian distribution, by a perfect Gaussian distribution. I'd like the amplitude, mean/center, width/signa, and background/vertical_offset to all be adjusted for best fit. I know that this can be accomplished using the genfit function; but I suppose others have already done this so that I don't need to reinvent the wheel. I'm running Prime 9.0.0.0.

Hi, I am new to mathcad and trying to input result from a formula as attached. However, the error red that stating the value must be a scalar and vector. How I can fix that? Appreciated to your guys response and help Thanks, Kala

hi wondering if anyone can give me any tips or help? I'm very new to mathcad and using it to create a compressible nozzle with multiphase gas-particle flow. I'm having trouble calculating the velocity of the droplets with an initial velocity of 1. when implementing with rkfixed the vd0 says 'unknown error-ODEtoofewinit'Any help would be appreciated if theres a better way to solve? thanks (g=gas, d=droplet)  

Mathcad Enhancement Proposal (MEP):  Extend the Document Spacing functionality to minimise the vertical or horizontal spacing between regions   The "Separate Regions" functionality is a useful tool for organising a Mathcad worksheet.  However, quite often I find myself "wasting" time doing the opposite - removing spacing between regions.    The usual scenario is that I write partial functions and/or evaluate them as I develop the final form of a function or set of functions.   When I've got the function in its final form, I delete the regions that are no longer required, which leaves me with the task of closing up the gaps their deletion leaves.  This is the kind of mindless activity best left to automation.   An additional button in the Document Spacing group to minimise region spacing, either horizontally or vertically, would be a useful asset to aid in this and other use cases.   Additional MEP:   MEP - Auto-increment spacing b

We just finished the Mathcad Virtual Conference 2022! Hooray! It was very nice seeing some of the PTC Community regulars in the Q&A.   I promised many people in the Q&A that the Design of Experiments in Mathcad Prime (Anji Seberino's presentation) and Developer's Perspective on Prime 8's Engine Updates (Anna Novikova's presentation) worksheets will be available on the PTC Community. (As well as the conference replay page and via PTC rep follow-up.) This post has those worksheets attached.   Also, please let me know what you thought of the conference! It was a massive effort to put together.   The replays-on-demand for the conference should be up at the conference page on Mathcad.com (see link in first sentence) starting by Sept 15 if you missed it.The raffle worksheet will be available a bit later in a Mathcad.com blog article. I'm going to start reaching out to the 25 raffle T-shirt winners next week, since I'm going on a vacation for the rest of this week.I kno

Editor's note: This blog article has a companion PTC Mathcad Prime 8 worksheet that can be read in Prime 8 or versions released afterward. You can find it in this post's sidebar. Calculus is a branch of mathematics quantifying the change of a function. Calculus can be broken down into two main areas: derivative calculus and integral calculus. Derivatives measure the rate of change of a function. Integrals measure the area under the curve of a function. A partial derivative involves a function that is driven by multiple variables, and we find the rate of change of one variable while assuming all the other variables are held constant. If you have ever driven a car, then you can understand the basic concepts of derivatives and partial derivatives. Let’s look at a simple example. Derivatives and Your Car Let’s say you are going to drive your car from your home to work. It takes time to get from point A to point B. You can use a watch to measure time and an odometer to measure distance. Yo

Hi all,  Can anyone suggest how to overcome the issue in the attached image. Currently using Mathcad Prime 10.  Kind regards,Iain 

Looking to provide a sequence number above both the ratio and check matrices, see attached image, to correspond with the check list above.  I work with Mathcad Prime 10. 

I need a new license

I have bought Mathcad premium version but the premium features don't work.

Good Afternoon,I've filled out the form and submitted a request for the free trial version of Mathcad several times and each time I get the message "if you don't receive an email in two hours look in the junk folder. I still haven't received the email. ThanksRick

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As the song says,   What a diff'rence a dalgorithm makes.Timing in secondsOr, by hours reckoned   While developing a function to convert an array into a set, I was shocked to see how slowly some of my algorithms performed.  After a bit of playing, I suspect that fold or stack handle nested arrays and some other data types differently than they do scalars.         Stuart  

Need installation file for Mathcad Prime 10. I have version 11 but I need to share files with a client that is using version 10.

Mathcad Enhancement Proposal (MEP) - Extend the scope of ℤ to include all IEEE 754 consecutive integers, where ℤ is the set of integers.   Mathcad's Is-Element-Of operator x ∈ y determines whether x is an element of y, where y is one of the sets ℂ (complex numbers), ℝ (real numbers), ℚ (rational numbers), or ℤ (integers).  Is-Element-Of works both symbolically and numerically (except ℚ in the latter's case).     When numerically evaluating x for membership in ℤ, x must lie between -231 and +231-1.  However, Mathcad handles numbers as 64-bit IEEE 754 floating-point numbers; thus, the full range of consecutive numerical integers in Mathcad is -253 and +253-1.   The maximum positive floating point real number, realmax,  is 1.7976931348623157×10308.     realmax ∈ ℝ and realmax + realmax×1i ∈ ℂ both return true (1).   Implementing this MEP wou

Mathcad was a pretty good tool. A quick and practical way to do your engineering calculations. That was version 9 way back and still my most used version. After that things didn't change much and together with some minor improvements, some issues came into being as well. I suppose their was no profit in leaving a program that worked just be what it was and so Prime came into being. And what a piece of junk it was. Slow, cumbersome and either lacking important functionality or simply not doing what it should.   Now on version 5 things should have been better. I mean, after eight years enough people should have complained that it didn't work. Right? Yeah. Too much to hope for. It's still slow, UI is still a mess, you can't comfortably input your work quickly and key features that worked fine as far back as Mathcad 9 still fail miserably.   As is the case with many programs, if any of the developer would actually have to use their own program for actual work, they would have kno

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Hi, I'm having trouble finding the value of a variable using symbolic operations. Let me explain:I want to find the variable (theta) of a symbolic function within a range of valuesI'm using Mathcad 11

I'm using MathCAD 9.0.0.0. I get this error on my last equation... 

I'm using MathCAD 9.0.0.0. For whatever reason, MathCAD is having a problem with variable units of my final equation in my attached file. 

Hi, This does not help. The download link takes me to the email request form. There is no option to choose the version. I need to install version 10. I have version 11 but I need to share files with  a client that is using version 10.

I'm using MathCAD 9.0.0.0. In my program I have the formula...I have every variable set in my program accept h2 that's in the equation twice. Is there a function to solve for h2? Otherwise, I guess I can rewrite the equation to solve for h2? Thanks,Brent

I attempted to use Mathcad Prime 11 to retrieve a Mathcad Prime 7.00 file I created but I could not. The file extensions appear to differ.  How can I retrieve this file into Version 11 without having to recreate it?  Thanks!

We recorded Andrew McGough (Mathcad Product Management Director)'s one-hour demo and Q&A session about PTC Mathcad Prime 12, set to release in April 2026. Andy discusses: A summary of Mathcad Prime’s newest features, including the recent Mathcad Prime 11.0.1.0 maintenance release The current Mathcad Prime roadmap Demos of some of Mathcad Prime 12's upcoming features I also posed over a dozen questions to him asked by Mathcad users, including some from PTC Community! Watch the recording here. (No form required this time!)

Hello, I want to create the  origin  function within a dropdown list (combo box) for an array index operation. Is this possible? I'm using Mathcad version 11