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Vensim 10.3 is now available for download.

Last post by geo_curious « Sat May 24, 2025 5:53 pm
Replies: 1
by Administrator » Thu Mar 13, 2025 10:23 am

1 Replies

7370 Views

Last post by geo_curious
Sat May 24, 2025 5:53 pm
Digests.

Last post by Administrator « Fri Oct 16, 2020 11:40 am

by Administrator » Fri Oct 16, 2020 11:40 am

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Last post by Administrator
Fri Oct 16, 2020 11:40 am

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What improvements would you like to see in Vensim?

Last post by geo_curious « Sun Jun 29, 2025 2:44 pm
Replies: 163
by Administrator » Fri Jan 07, 2011 10:23 am
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163 Replies

340139 Views

Last post by geo_curious
Sun Jun 29, 2025 2:44 pm
Tutorials (Video + text)

Last post by tomfid « Tue Mar 07, 2023 12:37 am
Replies: 19
by Mohammad Jalali » Sun Apr 01, 2012 7:10 pm

19 Replies

92555 Views

Last post by tomfid
Tue Mar 07, 2023 12:37 am
MacOS Ventura (and later) and Vensim compatibility notice (28th November 2022).

Last post by Administrator « Mon Nov 28, 2022 12:20 pm
Replies: 1
by Administrator » Mon Nov 28, 2022 12:16 pm

1 Replies

18688 Views

Last post by Administrator
Mon Nov 28, 2022 12:20 pm
Advice to posters seeking help

Last post by tomfid « Wed Dec 08, 2010 4:20 pm

by tomfid » Wed Dec 08, 2010 4:20 pm

0 Replies

48950 Views

Last post by tomfid
Wed Dec 08, 2010 4:20 pm
Stock behaviour difficult to understand

Last post by Administrator « Mon Jul 07, 2025 4:17 pm
Replies: 1
by Ashish_Kumar » Mon Jul 07, 2025 3:08 pm

1 Replies

39 Views

Last post by Administrator
Mon Jul 07, 2025 4:17 pm
Modelling small discrete flows

Last post by Ashish_Kumar « Mon Jul 07, 2025 2:35 pm
Replies: 6
by Ashish_Kumar » Thu Jul 03, 2025 4:24 pm

6 Replies

264 Views

Last post by Ashish_Kumar
Mon Jul 07, 2025 2:35 pm
sim [model] -c -d -w window

Last post by aliakhavan89 « Sun Jul 06, 2025 4:08 pm
Replies: 3
by aliakhavan89 » Sun Jul 06, 2025 2:46 am

3 Replies

117 Views

Last post by aliakhavan89
Sun Jul 06, 2025 4:08 pm
Shortcuts

Last post by aliakhavan89 « Sun Jul 06, 2025 1:11 am

by aliakhavan89 » Sun Jul 06, 2025 1:11 am

0 Replies

61 Views

Last post by aliakhavan89
Sun Jul 06, 2025 1:11 am
3rd Party Tool SDM-Doc

Last post by tomfid « Fri Jul 04, 2025 12:13 am
Replies: 2
by allelly_m » Thu Jul 03, 2025 9:22 am

2 Replies

122 Views

Last post by tomfid
Fri Jul 04, 2025 12:13 am
Dump warning in log file

Last post by JulieDallard « Thu Jul 03, 2025 2:05 pm
Replies: 2
by JulieDallard » Wed Jul 02, 2025 2:48 pm

2 Replies

156 Views

Last post by JulieDallard
Thu Jul 03, 2025 2:05 pm
Change y axis scale on sensitivity plots

Last post by Administrator « Wed Jul 02, 2025 6:06 am
Replies: 1
by OButuc » Tue Jul 01, 2025 2:14 pm

1 Replies

476 Views

Last post by Administrator
Wed Jul 02, 2025 6:06 am
Multiple Equations for a Subscripted Variable HELP

Last post by tomfid « Mon Jun 30, 2025 5:06 pm
Replies: 1
by allelly_m » Mon Jun 30, 2025 4:28 pm

1 Replies

463 Views

Last post by tomfid
Mon Jun 30, 2025 5:06 pm
Cannot get the IO Object icon to show and or operate

Last post by Administrator « Mon Jun 30, 2025 6:56 am
Replies: 2
by gmelles@swin.edu.au » Sun Jun 29, 2025 10:16 pm

2 Replies

1707 Views

Last post by Administrator
Mon Jun 30, 2025 6:56 am
Lookup selection IF THEN ELSE()

Last post by tomfid « Mon Jun 30, 2025 3:49 am
Replies: 1
by geo_curious » Sun Jun 29, 2025 5:24 pm

1 Replies

784 Views

Last post by tomfid
Mon Jun 30, 2025 3:49 am
MCMC Multi-Core seems to keep the process in the background alive

Last post by aliakhavan89 « Sun Jun 29, 2025 10:06 pm

by aliakhavan89 » Sun Jun 29, 2025 10:06 pm

0 Replies

145 Views

Last post by aliakhavan89
Sun Jun 29, 2025 10:06 pm
.cin for set of constant values

Last post by geo_curious « Sun Jun 29, 2025 8:07 pm
Replies: 2
by geo_curious » Sat Jun 21, 2025 10:53 pm

2 Replies

11506 Views

Last post by geo_curious
Sun Jun 29, 2025 8:07 pm
How do I use the compiled model with command script CMD

Last post by aliakhavan89 « Fri Jun 27, 2025 10:47 pm
Replies: 3
by aliakhavan89 » Fri Jun 27, 2025 6:04 pm

3 Replies

3313 Views

Last post by aliakhavan89
Fri Jun 27, 2025 10:47 pm
X IF MISSING / IF THEN ELSE

Last post by tomfid « Fri Jun 27, 2025 8:46 pm
Replies: 2
by EstebanD » Thu Jun 26, 2025 7:18 am

2 Replies

2205 Views

Last post by tomfid
Fri Jun 27, 2025 8:46 pm
Export results from sensitivity analysis in xlsx format

Last post by tomfid « Fri Jun 27, 2025 3:59 pm
Replies: 1
by OButuc » Fri Jun 27, 2025 3:47 pm

1 Replies

239 Views

Last post by tomfid
Fri Jun 27, 2025 3:59 pm
Library missing

Last post by Administrator « Thu Jun 26, 2025 2:13 pm
Replies: 1
by EstebanD » Thu Jun 26, 2025 2:12 pm

1 Replies

4230 Views

Last post by Administrator
Thu Jun 26, 2025 2:13 pm
Kalman payoff interpretation

Last post by aliakhavan89 « Thu Jun 26, 2025 1:04 am

by aliakhavan89 » Thu Jun 26, 2025 1:04 am

0 Replies

1229 Views

Last post by aliakhavan89
Thu Jun 26, 2025 1:04 am
Copyright World3 Model

Last post by tomfid « Wed Jun 25, 2025 6:18 pm
Replies: 2
by richard__ » Sat Jun 14, 2025 5:01 pm

2 Replies

4885 Views

Last post by tomfid
Wed Jun 25, 2025 6:18 pm
Semi-Transparent Background for Variables?

Last post by Administrator « Mon Jun 23, 2025 8:01 am
Replies: 1
by kleemax » Mon Jun 23, 2025 7:34 am

1 Replies

224 Views

Last post by Administrator
Mon Jun 23, 2025 8:01 am
Non-integer Poisson Warning

Last post by aliakhavan89 « Sat Jun 21, 2025 4:33 pm
Replies: 2
by aliakhavan89 » Fri Jun 20, 2025 5:37 pm

2 Replies

659 Views

Last post by aliakhavan89
Sat Jun 21, 2025 4:33 pm
non-zero exit status

Last post by aliakhavan89 « Fri Jun 20, 2025 2:55 pm

by aliakhavan89 » Fri Jun 20, 2025 2:55 pm

0 Replies

216 Views

Last post by aliakhavan89
Fri Jun 20, 2025 2:55 pm
Kalman and command script

Last post by aliakhavan89 « Thu Jun 19, 2025 1:51 pm
Replies: 2
by aliakhavan89 » Wed Jun 18, 2025 1:46 pm

2 Replies

714 Views

Last post by aliakhavan89
Thu Jun 19, 2025 1:51 pm
Max PSRF in Kalman MCMC

Last post by aliakhavan89 « Wed Jun 18, 2025 2:08 pm

by aliakhavan89 » Wed Jun 18, 2025 2:08 pm

0 Replies

441 Views

Last post by aliakhavan89
Wed Jun 18, 2025 2:08 pm
Resize first column of table?

Last post by Travis « Tue Jun 17, 2025 8:17 pm
Replies: 3
by Travis » Tue Jun 17, 2025 3:57 pm

3 Replies

790 Views

Last post by Travis
Tue Jun 17, 2025 8:17 pm
What does fp_err_ctx do?

Last post by aliakhavan89 « Tue Jun 17, 2025 1:52 am
Replies: 2
by aliakhavan89 » Sun Jun 15, 2025 1:16 am

2 Replies

1019 Views

Last post by aliakhavan89
Tue Jun 17, 2025 1:52 am
Allocate available function with different time steps

Last post by nzligul « Tue Jun 10, 2025 1:31 pm
Replies: 2
by nzligul » Tue Jun 10, 2025 12:18 pm

2 Replies

3049 Views

Last post by nzligul
Tue Jun 10, 2025 1:31 pm

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