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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

7512 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

0 Replies

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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

355228 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

92808 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

18752 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

49064 Views

Last post by tomfid
Wed Dec 08, 2010 4:20 pm
Why does it produce strange number?

Last post by tomfid « Wed Jul 16, 2025 3:58 pm
Replies: 6
by yut » Wed Jul 16, 2025 10:10 am

6 Replies

73 Views

Last post by tomfid
Wed Jul 16, 2025 3:58 pm
How do I narrow down the impact of filter?

Last post by tomfid « Wed Jul 16, 2025 2:20 pm
Replies: 3
by aliakhavan89 » Tue Jul 15, 2025 2:32 pm

3 Replies

83 Views

Last post by tomfid
Wed Jul 16, 2025 2:20 pm
Sensitivity using tab file error

Last post by aliakhavan89 « Tue Jul 15, 2025 3:57 pm

by aliakhavan89 » Tue Jul 15, 2025 3:57 pm

0 Replies

28 Views

Last post by aliakhavan89
Tue Jul 15, 2025 3:57 pm
Library missing

Last post by EstebanD « Tue Jul 15, 2025 3:21 pm
Replies: 10
by EstebanD » Thu Jun 26, 2025 2:12 pm

10 Replies

11274 Views

Last post by EstebanD
Tue Jul 15, 2025 3:21 pm
BUG: X or R Parallel search issue with Kalman

Last post by aliakhavan89 « Sun Jul 13, 2025 10:29 pm

by aliakhavan89 » Sun Jul 13, 2025 10:29 pm

0 Replies

81 Views

Last post by aliakhavan89
Sun Jul 13, 2025 10:29 pm
export arrayed data with time all in one column

Last post by tomfid « Sun Jul 13, 2025 9:20 pm
Replies: 2
by megboyar » Sat Jul 12, 2025 2:18 pm

2 Replies

106 Views

Last post by tomfid
Sun Jul 13, 2025 9:20 pm
Stock behaviour difficult to understand

Last post by tomfid « Fri Jul 11, 2025 12:15 am
Replies: 5
by Ashish_Kumar » Mon Jul 07, 2025 3:08 pm

5 Replies

2215 Views

Last post by tomfid
Fri Jul 11, 2025 12:15 am
What is the exact payoff contribution of Overdispersed Poisson?

Last post by tomfid « Wed Jul 09, 2025 9:18 pm
Replies: 1
by aliakhavan89 » Wed Jul 09, 2025 2:03 am

1 Replies

3201 Views

Last post by tomfid
Wed Jul 09, 2025 9:18 pm
Modelling small discrete flows

Last post by Ashish_Kumar « Tue Jul 08, 2025 4:35 am
Replies: 9
by Ashish_Kumar » Thu Jul 03, 2025 4:24 pm

9 Replies

14276 Views

Last post by Ashish_Kumar
Tue Jul 08, 2025 4:35 am
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

6395 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

288 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

482 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

5463 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

7228 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

2591 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

6239 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

2632 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

404 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

15432 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

9485 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

4809 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

485 Views

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

2698 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

8906 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

344 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

832 Views

Last post by aliakhavan89
Sat Jun 21, 2025 4:33 pm

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