Stable: SMath Studio 0.98.6606 (01 February 2018)

Tiny, but powerful mathematical program with WYSIWYG editor and complete units of measurements support.

It provides numerous computing features and rich user interface translated into about 40 different languages. Application also contains integrated mathematical reference book.

Stable version

Downloads: 2068605 Download
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Free for personal usage! Plans for Organizations are available!

Application can be easily extended based on your needs. Built-in Extensions Manager tool allows to get access to hundreds official and third-party resources of the following types: usage examples, plug-ins, SMath Viewer based applications, snippets, interface translations, interactive books, handbooks and tutorials.

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La aparición del proyecto Smath, cubre un vacío que existía en el ámbito del software gratuito para Ingeniería. Es un proyecto que llegó para quedarse, ya que permite logros muy buenos a quienes utilizan esta herramienta. felicitaciones a Andrey y el gran equipo de colaboradores que cada uno con su aporte desinteresado hacen crecer esta aplicación que ya podemos caratular como de uso profesional

by Ing Parcelo Ortiz Plá
As experienced mechanical guy, this powerful tool is extremely useful for calculation for my work activities, and amazing it is free please keep working for software crown and kick expensive mathcad away!

by Kelvin Liu
This fantastic free alternative to Mathcad is going from strength to strength and I am really enjoying watching its progress. Andrey has produced something that is genuinely useful, multiplatform, fun to use and, most importantly of all, he listens to his users. Well worth a download.

by Mike Croucher
I have used MathCAD since 1997. Loved it. I used to work for the Nuclear Industry in Canada, and we had these long calculation sheets fully written in MathCAD. As an independent researcher, I also had a student version which I could simply purchase from a campus bookstore as a CD. A few years later, disaster struck! A greedy corporate entity purchased MathCAD and destroyed it. A tool created for engineers by engineers with engineering in mind was destroyed by MBAs with only money in their minds. I was helpless until I discovered SMath. I was amazed at how SMath could do so many things with the installation file being just a few MB! And Andrey simply gave it away to us for free!! SMath has truly filled the void left by the now-extinct "old MathCAD". The fact that SMath is not bloatware and gives us researchers exactly what we need are reasons enough to call Andrey a genius. My dear Andrey, many of us are out there in various parts of the world quietly blessing you for helping us do our research calculations. You are a noble soul with a spirit that cares for a better world. Trust me, you have in your own way made our world a better place to live through SMath. God bless you. I shall surely donate an amount as a symbolic gesture for your great work. Please continue to serve the world and may God bless you with good health, a long life, peace, prosperity, and a sound mind that scientifically contributes for as long as you live and pave the way for your glorious legacy long after we are all gone.

by Dr. M Sathya Prasad
Es ist die einzige Alternative zum mittlerweile desaströsen MathCAD. Mit dem ich Jahrzehnte -seit der Version 3.0- sehr gut und gern arbeitete. MathCAD war exzellent, um komplizierte Mathematik im Ingenieurwesen anzuwenden. MathCAD ist heute viel unübersichtlicher und alles dauert viel länger, bei drastisch reduzierter Funktionalität. Das MathCAD-Team empfiehlt "Profis" Shortcuts, wie in Zeiten, als die Bildschirme noch grün waren. Ich wünsche mir, dass Ihr, Andrey und Dein Team, auch die Apple-Version bald offerieren könnt und Euch vor allem auf mathematische Features für Ingenieure fokussiert. Dass man auch bald mit wieder mit Operatoren, wie dem NABLA-Operator symbolisch rechnen kann. Viel Erfolg auf Eurem Weg. Mit SMath Mathematik in mathematischer Notation anwenden, ist wie Muttersprache sprechen. Die geniale Idee, Funktionen und Operationen auf einen virtuellen Taschenrechner zu packen, ist extrem intuitiv und erleichtert die Bedienung. Weiter so.

by Michael Stanimirov
Great work of A. Ivashov. SMath Studio is a powerfull and extremely intuitive software. Suitable for daily engineering practice.

by Eng. Carli (Italy)
Imagine combining Microsoft Word with the ability to compute every time you press equals. Best application for your engineering documentation needs!

by Michael James Quidilla
The most important daily-use software for engineers. Far more powerful than actual Mathcad Prime. I actually use more SMath Studio than MS Excel at work. Thank you, Andrey, for this GEM.

by Alvaro Gavilán Rojas
This program helped me in solving a lot of my mechanical problems related to gears, design standards & structural problems. Now we can run it on our mobiles also. Thanks for this useful program.

by Sudhir Gill
A great and essential application for scientists and engineers. The updates are regular and it has plugins that make it complete and as powerful as the paid applications.

by Yibbou

SMath Studio in publications (all publications...)

SMath Studio plug-ins (all plug-ins...)

The functionality of the program can be expanded through the installation of plug-ins created by third-party developers and companies, as well as those prepared by the SMath LLC team. Most plug-ins are open source and can be modified if necessary.

3D Plot Region (discussion...)

Extends SMath Studio with a 3D Plot Region.

Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
Data Exchange (discussion...)

Extends SMath Studio with more save/import/export features.

Davide Carpi (davide.carpi@gmail.com)
WaterSteamPro

Access to a set of programs for calculating properties of water, steam, gases and gases mixtures. Requires separate installation of the Water Steam Pro libraries and appropriate license for it (see http://www.wsp.ru/).

ООО "ЭсМат"
MaximaPlugin (discussion...)

Provides access to the free and open source computer algebra system Maxima.

Kay Graubmann & Martin Kraska (THB www.th-brandenburg.de)
X-Y Plot Region (discussion...)

Extends SMath Studio with a X-Y Plot Region.

Jack Xu, Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
CoolProp Wrapper (discussion...)

A SMath Studio native wrapper of the CoolProp library (www.coolprop.org) - thermophysical property database and wrappers for a selection of programming environments.

Mike Kaganski
Nonlinear Solvers (discussion...)

Contains nonlinear solvers for equations and systems of equations: Bisected Direct Quadratic Regula Falsi (BDQRF), Bisection, Brent's, Broyden's, Homotopy, Newton-Raphson, Ridder's, Secant, etc.

Davide Carpi (davide.carpi@gmail.com)
DSP Library (discussion...)

Digital Signal Processing Library: spectral analysis, IIR and FIR filters, resampling algorithms, etc.

Sergey Bakhurin (http://dsplib.org), Viacheslav N. Mezentsev (viacheslavmezentsev@ya.ru)
Statistical Tools (discussion...)

Extends SMath Studio with statistical tools: Sample Estimators, Probability Density, Cumulative Density, Quantile functions, Random Numbers, etc.

Davide Carpi (davide.carpi@gmail.com)
SQLite Plugin (discussion...)

Provides an interface to the SQLite relational database engine.

Chris Bietz, Viacheslav N. Mezentsev

mkraska		#2 Posted : 02 February 2018 02:06:08(UTC)
Rank: Advanced Member Groups: Registered Joined: 15/04/2012(UTC) Posts: 2,048 Was thanked: 1177 time(s) in 752 post(s)		Great work, Andrey! Just some observations: The excel file plugin won't load. If you move a region with the mouse, it sometimes vanishes. For the attached sheet this is particularly reproducible. It seems to be limited to moving regions upwards. Downward move never remove a region. Recovery from such deletions is just by Ctrl-Z. Sorry this example requires Maxima. Perhaps it is related to Maxima, but non-Maxima regions are affected as well. HV_WEZ.txt (1kb) downloaded 57 time(s). HV_WEZ_lsquares.sm (103kb) downloaded 61 time(s). The new page view isn't just a page view, it also wraps region and as such changes the formatting of the document. Edited by user 02 February 2018 02:10:01(UTC) \| Reason: Not specified
		Martin Kraska Pre-configured portable distribution of SMath Studio: https://smath.com/wiki/SMath%20with%20Plugins.ashx

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Andrey Ivashov		#3 Posted : 02 February 2018 19:53:23(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Thank you, Martin. Yes, I can confirm there are some issues appears because of collapsed areas. It is regarding moving regions and drawing red cursor. I will address these issues asap. Regarding new way of positioning regions with a page view: yes, there is another approach used for regions locations - they always should be fully visible within a page (with some exceptions). But please, note: view used during work with a worksheet always stored as a part of this worksheet. So, if you have created a worksheet without new pages view turned on, then your program will always show it as you expected. Of couse if someone have designed a worksheet as pages, then you will open these worksheets in pages view automatically (doesn't matter what global setting you use for your copy of SMath Studio). That means your document will never be broken because of the worksheet view you (or someone else) are using. But of course program always allow you to switch between view modes - you just need to understand that such a switch may result in different number of pages on print out (again, you can switch it back to restore initial regions layout). The main idea here is that view switching is safe operation and you are able to play with it without any worries to break a document. But it introduces something new, which may be important for some users. Pages view is always good thing because now I have prepared everything (almost) to start implementation of full functional user defined headers and footers. For me this is a starting point to make SMath Studio better in documents visualization and interaction. Best regards.
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mkraska		#4 Posted : 02 February 2018 22:55:21(UTC)
Rank: Advanced Member Groups: Registered Joined: 15/04/2012(UTC) Posts: 2,048 Was thanked: 1177 time(s) in 752 post(s)		Nello Andrey, Ihanks for the explanations. I was irritated by the coupling of two features, which as well be could have independent settings, 1. Page view with margins and (possibly later) the headers and footers 2. Page wrap of regions If I want to prepare a document for printout, page wrap is great. But I don't necessarily need a top and bottom margin preview then but rather would benefit from seeing more regions at once on screen. I'd check the margins or headers and footers just occasionally before printout or otherwise publishing a sheet. Thus, the rigid coupling between the two doesn't seem natural to me. Of course, a realistic and editable preview of the margins and decorations is much better than the old style print preview in the File menu. Given the attention which document formatting currently receives, I guess that there are more features in the pipeline like some integration of a rich text region with line wrap, section header styles and the like... BTW I don't agree with other user's statement that formatting is the major advancement in the new stable release. To me, it's the use of indices and index vectors in assignments, much like the Mathcad range variables. In fact, there is good reason to revisit legacy sheets and make them more readable using this new feature. As to the formatting: I like the units being upright instead of italic now and flawless scaling or zooming is great. I am not so convinced of the small font subscripts, as they force me to use a larger base font or a higher zoom level to be able to read them with my bad old eyes. This againg goes at the cost of the viewable section of the document on screen. How about a viewing option: small text subscript? Vector indices aren't small anyways and I hope they never will be. Best regards, Martin
		Martin Kraska Pre-configured portable distribution of SMath Studio: https://smath.com/wiki/SMath%20with%20Plugins.ashx


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cmmcnamara		#5 Posted : 03 February 2018 01:04:50(UTC)
Rank: Newbie Groups: Registered Joined: 23/11/2013(UTC) Posts: 5		I see this listed in the changes: "Added ability to configure formatting of every type of the equation entries (font, size, color, etc.). See "Tools" > "Options" > "Equations formatting"" However in my Tools > Options menu, I only have tabs for "Interface" and "Calculation". I also see nothing in regards to "Equations formatting" under these tabs. Is this an error or am I missing something? Thank you.


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Davide Carpi		#6 Posted : 03 February 2018 01:46:11(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,736 Location: Italy Was thanked: 1405 time(s) in 914 post(s)		Originally Posted by: cmmcnamara I see this listed in the changes: "Added ability to configure formatting of every type of the equation entries (font, size, color, etc.). See "Tools" > "Options" > "Equations formatting"" However in my Tools > Options menu, I only have tabs for "Interface" and "Calculation". I also see nothing in regards to "Equations formatting" under these tabs. Is this an error or am I missing something? Thank you. The changelog is an automated cumulative list of the changes since the latest stable version; in the miscellaneous part you can see that the feature you mentioned was removed: Quote: Equations formatting setting removed from Options dialog
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overlord		#7 Posted : 03 February 2018 09:47:14(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,198 Was thanked: 548 time(s) in 368 post(s)		Is there any way to open Smath with a default paper size? Since I use A4, everytime I open Smath I have to change paper size from Letter to A4. I looked settings file, regedit etc. Couldn't find anything related to this. Maybe I didn't looked enough. Regards


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Davide Carpi		#8 Posted : 03 February 2018 11:37:56(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,736 Location: Italy Was thanked: 1405 time(s) in 914 post(s)		Originally Posted by: overlord Is there any way to open Smath with a default paper size? Since I use A4, everytime I open Smath I have to change paper size from Letter to A4. I looked settings file, regedit etc. Couldn't find anything related to this. Maybe I didn't looked enough. Regards Nope, it is part of [SS-1235] As for now the only way it is to save an empty document somewhere and use it as a kind of template (open it, "save as" and start coding) Edited by user 03 February 2018 11:40:21(UTC) \| Reason: Not specified
		If you like my plugins consider to support SMath Studio buying a plan; to offer me a coffee: paypal.me/dcprojects


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Mroczak		#9 Posted : 05 February 2018 14:17:02(UTC)
Rank: Newbie Groups: Registered Joined: 05/02/2018(UTC) Posts: 7 Was thanked: 1 time(s) in 1 post(s)		Hello. I have a problem with newly added feature: "Pages mode of worksheet visualization implemented (in test mode temporary; press Ctrl+Alt+L to activate);". I am from Poland and in our language we have a lot of diacritic symbols which are written by using "right alt (ctrl+alt) + symbol" like for example ą, ę, ć etc. and shortcut ctrl+alt+l is used for ł. Implementation of this feature results in accidental changes of "page mode" during normal writing. It would be great if it could be improved. Best Regards.

1 user thanked Mroczak for this useful post.		on 05/02/2018(UTC)
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mkraska		#10 Posted : 05 February 2018 19:43:06(UTC)
Rank: Advanced Member Groups: Registered Joined: 15/04/2012(UTC) Posts: 2,048 Was thanked: 1177 time(s) in 752 post(s)		Originally Posted by: Andrey Ivashov Thank you, Martin. Yes, I can confirm there are some issues appears because of collapsed areas. It is regarding moving regions and drawing red cursor. I will address these issues asap. I have worked a bit with documents containing area regions. The user experience really suffers from bugs because you can't move regions around even without being in margin preview mode. When you release the mouse, the dragged or cloned regions jump away. If that can't be fixed immediately (which is perfectly ok), I'd recommend to issue a 6598-based stable version, possibly with some bug fixes but without new features, or at least re-classify 6606 as release candidate rather than as a stable version. This would keep the trouble of testing leading/bleeding-edge development features within the group of the nightly-builds users.
		Martin Kraska Pre-configured portable distribution of SMath Studio: https://smath.com/wiki/SMath%20with%20Plugins.ashx


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Andrey Ivashov		#11 Posted : 06 February 2018 01:24:56(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Martin. These issues are already fixed and I'm preparing to release a new version with fixes within next couple of days.
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Andrey Ivashov		#12 Posted : 06 February 2018 01:28:24(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Mroczak, this is temporary shortcut. Next release will have better switcher in the UI.
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ElSid		#13 Posted : 06 February 2018 21:40:14(UTC)
Rank: Advanced Member Groups: Registered Joined: 05/03/2009(UTC) Posts: 433 Location: USA Was thanked: 17 time(s) in 15 post(s)		I've had the issue of moving collapsed regions break sheets. This will be of great help. I would like to thank ALL of the developers for their work!! Any inkling, from Mathcad on integrating the Writer Region plugin so we can have some formatting out of the box "shading" the page to see blank areas. MathCAD it is "view --> Regions" (Easier on the eyes/screen, and still prints white) insert/delete lines (helpful with inserting images and deleting too much unused space quickly) be able to change default units (sorry, I live and work in the US. I wish we would just go metric already ) updating the PDF files/help guides for the new features. Forums are great but for some reason, my links/favorites are broken. I thought some of the items might be documented in the help Wiki and it's not equation "wrap" for long equations It appears as if Text Region Utilities plugin is not compatible with this version Unfortunately, I've been on site more than designing lately and need to get back into updating files with new features!!! Edited by user 06 February 2018 21:42:55(UTC) \| Reason: Not specified


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mkraska		#14 Posted : 06 February 2018 23:18:57(UTC)
Rank: Advanced Member Groups: Registered Joined: 15/04/2012(UTC) Posts: 2,048 Was thanked: 1177 time(s) in 752 post(s)		Save as PDF seems to be broken. Works in 6598 Error message something like object reference not pointing to an object instance.
		Martin Kraska Pre-configured portable distribution of SMath Studio: https://smath.com/wiki/SMath%20with%20Plugins.ashx


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Andrey Ivashov		#15 Posted : 06 February 2018 23:29:24(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Fixed in 6611.
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Alex M.		#16 Posted : 09 February 2018 22:25:35(UTC)
Rank: Advanced Member Groups: Registered Joined: 03/03/2014(UTC) Posts: 418 Was thanked: 127 time(s) in 96 post(s)		Good Day, Not sure when it happened but somewhere between the prior stable release and now the page layout for SMath is messed up on my PC. Try opening this file in current and previous stable release to see the difference. Is this a known issue? CHBDC-DevelopmentLength&Splice.sm (110kb) downloaded 65 time(s). Regards


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Andrey Ivashov		#17 Posted : 10 February 2018 01:12:16(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Originally Posted by: Alex M. Is this a known issue? Compared between 0.98.6179 and 6606/6611 - do not see any differences (except font style of equations, of course). Please could you describe what is wrong exactly (maybe with screenshots)? Best regards.
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Alex M.		#18 Posted : 12 February 2018 03:23:17(UTC)
Rank: Advanced Member Groups: Registered Joined: 03/03/2014(UTC) Posts: 418 Was thanked: 127 time(s) in 96 post(s)		Originally Posted by: Andrey Ivashov Originally Posted by: Alex M. Is this a known issue? Compared between 0.98.6179 and 6606/6611 - do not see any differences (except font style of equations, of course). Please could you describe what is wrong exactly (maybe with screenshots)? Best regards. Hi Andrey, I have printed both versions to PDF; font size set to 8. CHBDC-DevelopmentLength&Splice_6179.pdf (149kb) downloaded 79 time(s). CHBDC-DevelopmentLength&Splice_6611.pdf (166kb) downloaded 71 time(s).

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Andrey Ivashov		#19 Posted : 12 February 2018 10:02:37(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,640 Was thanked: 2012 time(s) in 680 post(s)		Hello Alex. Originally Posted by: Alex M. I have printed both versions to PDF; font size set to 8. I've investigated this and answer is pretty simple. You have non-standard DPI on the machine where you created this worksheet and all previous versions of SMath Studio was not able to work correctly on such machines. Unfortunately. But latest versions of SMath Studio allows you to work with no matter what DPI is set on your PC. Result will always be the same. Please compare those regions with blue background you have added before exporting to PDF. Do you see strange spaces with 6179 build? This is exactly because old versions of SMath Studio had bugs related to DPI. So, I would suggest just to fix layout for the documents you have. Starting from now you will never see such issues (I really believe so). Sorry for inconvenience, but DPI related bug was really hard to fix and it was very annoying. Best regards.
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Alex M.		#20 Posted : 12 February 2018 19:39:54(UTC)
Rank: Advanced Member Groups: Registered Joined: 03/03/2014(UTC) Posts: 418 Was thanked: 127 time(s) in 96 post(s)		Originally Posted by: Andrey Ivashov Hello Alex. Originally Posted by: Alex M. I have printed both versions to PDF; font size set to 8. I've investigated this and answer is pretty simple. You have non-standard DPI on the machine where you created this worksheet and all previous versions of SMath Studio was not able to work correctly on such machines. Unfortunately. But latest versions of SMath Studio allows you to work with no matter what DPI is set on your PC. Result will always be the same. Please compare those regions with blue background you have added before exporting to PDF. Do you see strange spaces with 6179 build? This is exactly because old versions of SMath Studio had bugs related to DPI. So, I would suggest just to fix layout for the documents you have. Starting from now you will never see such issues (I really believe so). Sorry for inconvenience, but DPI related bug was really hard to fix and it was very annoying. Best regards. Thank you Andrey, glad this was fixed - i will update my worksheets


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