Beta: SMath Studio 0.99.7803 (13 May 2021)

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

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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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They talk about us (all reviews...)

An amazing math tool, a must-have for engineers and scientists everywhere. (And it's not bad as a quick expression evaluator, either.)

by Mike Williams
Excellent alternative to MathCad and it's free!

by Marco Finlay
Great tool for all engineers. It's very user-friendly and has lots of functionalities that can be further extended by installing plug-ins (it takes just a few clicks, no need for tedious file manipulations). SMath can operate on units, perform symbolic calculations and many more. Also, it has very clear interface and all formulas can be entered just like you would do on a piece of paper. What's more, the software has great community of people willing to help with various issues.

by Jacob M.
luce muy bueno el programa, demasiado útil, una potente herramienta de calculo de uso libre

by IVAN KALLATA
Found out that this software is as powerful as commercial softwares. Many thanks Andrey.

by Harold Lopez
Brilliant program. I have MathCAD but as they have gone for subscription based I am discontinuing that. Until now I have not found any design calculation that I cannot make using SMath Studio. I recommend to all of my customers to forget all spread sheet based calculations and go for SMath Studio. I have developed my own specialty engineering software and know how much work that is. Thank You Andrey.

by Jouko Tolonen
If you are thinking about getting MathCAD for your business or personal use you may want to try SMath Studio first. SMath Studio is a free math program with easy to use intuitive "paper-like" interface. If SMath Studio meets your needs then look no further and consider donating to promote further development of this great program. On the SMath Studio forum, the developer and forum community are very receptive to help questions, bug reports, and feature requests.

by j_kris
I really like it. It's one of the most usable free software applications I deal with.

by Juanma Belda
I use this program on my everyday civil engineering calculations, and I highly recommend it!

by GiE
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

SMath Studio in 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

Andrey Ivashov		#2 Posted : 13 May 2021 02:39:37(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Improved Search panel: Copy from Worksheet to Document: Automated plug-ins update after new SMath Studio installation: Edited by user 13 May 2021 02:41:14(UTC) \| Reason: Not specified
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4 users thanked Andrey Ivashov for this useful post.		on 13/05/2021(UTC), on 13/05/2021(UTC), on 13/05/2021(UTC), on 13/05/2021(UTC)
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wb.c		#3 Posted : 13 May 2021 17:18:27(UTC)
Rank: Advanced Member Groups: Registered Joined: 02/04/2018(UTC) Posts: 155 Was thanked: 26 time(s) in 22 post(s)		I'm getting a virus issue when I save an exe in the full version. The file seems to work fine on the computer I created it on, but when I send it to another PC, windows defender blocks it and detects the trojan Win32/AgentTesla!ml. Not sure how to handle this. I can't distribute exe files like this. when I send it in a zipped folder via email. Edited by user 13 May 2021 17:40:27(UTC) \| Reason: Not specified*


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Jean Giraud		#4 Posted : 13 May 2021 17:28:02(UTC)
Rank: Guest Groups: Registered Joined: 04/07/2015(UTC) Posts: 6,866 Was thanked: 983 time(s) in 811 post(s)		Originally Posted by: wb.c I can't distribute exe files like this. Any .exe is prone to virus, though many are reputed safe. IrfanView, WinGrab, WASP, ColorPick, Calipers ... The MathSoft Collaboratory did reject any .exe attachment.


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Andrey Ivashov		#5 Posted : 13 May 2021 17:32:45(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Originally Posted by: wb.c The file seems to work fine on the computer I created it on, but when I send it to another PC, windows defender blocks it and detects the trojan Win32/AgentTesla!ml. Not sure how to handle this. I can't distribute exe files like this. False positive. Anti-virus software sometimes do not like when programs creates other programs. You have to contact to your anti-virus vendor or exclude such programs from scanning. Unfortunately I can do nothing with it.
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wb.c		#6 Posted : 13 May 2021 17:43:34(UTC)
Rank: Advanced Member Groups: Registered Joined: 02/04/2018(UTC) Posts: 155 Was thanked: 26 time(s) in 22 post(s)		Just an update. I transferred the file with a flash drive instead of email and there is no issue at all. No virus detected, no unknown program warning, as it had worked in the past. I was using the native windows zip feature, maybe that had something to do with it? Thanks for the quick feedback Andrey.


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SMath Studio

Stable version

They trust us *

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SMath Studio in publications

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

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wb.c		#7 Posted : 13 May 2021 19:56:47(UTC)
Rank: Advanced Member Groups: Registered Joined: 02/04/2018(UTC) Posts: 155 Was thanked: 26 time(s) in 22 post(s)		Alright, did some more testing and no matter how I send the file (removed extension, fake extension, zipped, file share download) windows is still detecting a virus. How are we supposed to share our exe files if they get blocked as viruses? I don't remember this being an issue before as I've sent several of my exe files before without issues.


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Andrey Ivashov		#8 Posted : 13 May 2021 20:22:57(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Originally Posted by: wb.c Alright, did some more testing and no matter how I send the file (removed extension, fake extension, zipped, file share download) windows is still detecting a virus. How are we supposed to share our exe files if they get blocked as viruses? I don't remember this being an issue before as I've sent several of my exe files before without issues. I'm using Windows 10 and cannot reproduce this issue. Are you sure your PC has no viruses which could break exe files generated by SMath Studio?
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wb.c		#9 Posted : 13 May 2021 20:27:40(UTC)
Rank: Advanced Member Groups: Registered Joined: 02/04/2018(UTC) Posts: 155 Was thanked: 26 time(s) in 22 post(s)		I'm running win10 as well. No viruses. Try to zip an exe and sent it to another computer running windows. Remember, this is not a problem for the computer where I made the exe, only when I share it. By the way, the exact same exe file copied to to the other computer using a USB drive has no issues at all. Only having issues when the exe comes off of email or is downloaded. Edited by user 13 May 2021 20:29:18(UTC) \| Reason: Not specified


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overlord		#10 Posted : 13 May 2021 20:28:32(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/07/2013(UTC) Posts: 1,173 Was thanked: 534 time(s) in 358 post(s)		Originally Posted by: Andrey Ivashov I'm using Windows 10 and cannot reproduce this issue. Are you sure your PC has no viruses which could break exe files generated by SMath Studio? Probably he has one that machine doesn't aware of. In my old job my pc has one too and all SMath Viewer files I produced with them had trojans. At the same time that was not an issue with my home pc wtih same SMath version and files. This issue has been corrected after a format. Regards


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Davide Carpi		#11 Posted : 13 May 2021 20:40:03(UTC)
Rank: Advanced Member Groups: Registered, Advanced Member Joined: 13/01/2012(UTC) Posts: 2,710 Location: Italy Was thanked: 1378 time(s) in 902 post(s)		AgentTesla is a quite specific Trojan, usually in the cases of false positive triggered by suspicious behavior the issue is labeled with something like "generic.win32". The detection is based on euristic algorithms thus not so straightforward and just speculation, but the fact that is prompted by a popular antivurus but not noticed by anyone (AFAIK) might indicate a system infection rather than a program issue.
		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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Razonar		#12 Posted : 13 May 2021 20:42:53(UTC)
Rank: Advanced Member Groups: Registered Joined: 28/08/2014(UTC) Posts: 1,475 Was thanked: 925 time(s) in 588 post(s)		Hi. First, do you scan the file with others AV? You can do that online without installing anything at several sites. For instance you can try at https://online.drweb.com/ https://opentip.kaspersky.com/ Windows defender isn't a robust AV. On the other hand, the SMath viewer files store the plugins necessary for their execution within the exe file. That is, if any of the extension files used by the .sm file that you "compile" has a virus, or a false positive report, it will only give that positive with the plugins you use in that particular file, which may be very difficult to reproduce that positive. Best regards. Alvaro.


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wb.c		#13 Posted : 13 May 2021 20:54:32(UTC)
Rank: Advanced Member Groups: Registered Joined: 02/04/2018(UTC) Posts: 155 Was thanked: 26 time(s) in 22 post(s)		Did a scan on the kaspersky site and the exe file is clean.


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Andrey Ivashov		#14 Posted : 13 May 2021 21:57:39(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Originally Posted by: Razonar On the other hand, the SMath viewer files store the plugins necessary for their execution within the exe file. That is, if any of the extension files used by the .sm file that you "compile" has a virus, or a false positive report, it will only give that positive with the plugins you use in that particular file, which may be very difficult to reproduce that positive. All plug-ins are compiled on the dedicated build machine (setup for SMath project exclusively) which has no Internet access and has installed Kasperski Anti-virus. In addition all files downloaded using HTTPS which guarantees compiled files are identical to what you received on your machine. So what you've described is almost impossible situation.
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Razonar		#15 Posted : 13 May 2021 23:12:52(UTC)
Rank: Advanced Member Groups: Registered Joined: 28/08/2014(UTC) Posts: 1,475 Was thanked: 925 time(s) in 588 post(s)		Originally Posted by: Andrey Ivashov Originally Posted by: Razonar On the other hand, the SMath viewer files store the plugins necessary for their execution within the exe file. That is, if any of the extension files used by the .sm file that you "compile" has a virus, or a false positive report, it will only give that positive with the plugins you use in that particular file, which may be very difficult to reproduce that positive. All plug-ins are compiled on the dedicated build machine (setup for SMath project exclusively) which has no Internet access and has installed Kasperski Anti-virus. In addition all files downloaded using HTTPS which guarantees compiled files are identical to what you received on your machine. So what you've described is almost impossible situation. Hi Andrey. I'm explain very bad. Let me try to say the same with an example. This file calculate a numerical value of an integral, but evaluated symbolically, only with SMath int(x^2,x,0,a) function. It's size is 2 793 bytes SMathViewerWithOutMaple.zip (603kb) downloaded 9 time(s). This other do the same, but with the maple plugin as maple(int(x^2,x,0,a)), and it's size is now 14 489 088 bytes. SMathViewerWithMaple.zip (14,150kb) downloaded 10 time(s). What I mean with "compile" it's that for this second file all the files for maple are stored in the exe file, for example gif.dll, mkernel.dll, cmaple.exe. Those maple files are very old, and are good candidates for false positives. It could be hard to determine for which plugin an AV like windows defender goes to return false positives if you don't know which plugin is stored in the exe SMath Viewer. Hope now I explain better. Best regards. Alvaro. Edited by user 13 May 2021 23:16:31(UTC) \| Reason: Not specified

1 user thanked Razonar for this useful post.		on 14/05/2021(UTC)
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Denis.N		#16 Posted : 14 May 2021 15:52:47(UTC)
Rank: Member Groups: Registered Joined: 21/05/2015(UTC) Posts: 11 Was thanked: 2 time(s) in 2 post(s)		Problems with copy and paste in document mode


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PompelmoTell		#17 Posted : 14 May 2021 16:03:19(UTC)
Rank: Advanced Member Groups: Registered Joined: 23/12/2011(UTC) Posts: 321 Location: italy Was thanked: 110 time(s) in 94 post(s)		I confirm what is indicated by Denis, even in my installation sergio


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Andrey Ivashov		#18 Posted : 14 May 2021 16:40:27(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Originally Posted by: Denis.N Problems with copy and paste in document mode Yeah, it is a known issue - copy/paste of content inside Text Region is not implemented yet (except simple text). I plan to handle it soon. Thank you!
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2 users thanked Andrey Ivashov for this useful post.		on 14/05/2021(UTC), on 14/05/2021(UTC)
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Andrey Ivashov		#19 Posted : 14 May 2021 16:52:48(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Originally Posted by: wb.c Did a scan on the kaspersky site and the exe file is clean. I have some good news regarding false positive detection! After a long night and morning I've found binary pattern which triggers some AVs to mark executables created by Viewer as malicious... Knowing it I've added possibility to give AVs a fight! Unfortunately I have to disable compression of internal resources to do it, but I do not think it is so bad. Please try a new SMath Studio version - it has the following checkbox (uncheck -> file size increased -> AVs are happy -> profit): Here are results of testing the output result in VirusTotal: Before https://www.virustotal.c...a71f82f384cb44/detection After https://www.virustotal.c...3953893f835389/detection Best regards. Edited by user 14 May 2021 17:04:31(UTC) \| Reason: Not specified
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Andrey Ivashov		#20 Posted : 14 May 2021 18:29:40(UTC)
Rank: Administration Groups: Developers, Registered, Knovel Developers, Administrators, Advanced Member Joined: 11/07/2008(UTC) Posts: 1,622 Was thanked: 1983 time(s) in 668 post(s)		Just to mention: in my case file size without compression is 1.35MB (against to 0.6MB with compression). But using 7-Zip afterwards allows to make a size less than 0.5MB, which is good enough for delivering to other people. Please confirm issue with copy/paste of exe files fixed now.
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