Unsure whether to migrate to Dyalog APL from a different APL implementation?
If you are considering migrating your APL application to Dyalog, we can offer advice and support as well as putting you in contact with experienced migration consultants.
Differences when moving to Dyalog APL:
If you are considering migrating your APL application to Dyalog, we can offer advice and support as well as putting you in contact with experienced migration consultants.
Differences when moving to Dyalog APL:
- A list of differences of some of the functionality that is included in Dyalog APL but is not present in all of the following four APL implementations: APL+Win, APL2, APLX, and GNU APL.
- The system function
⎕ML(the migration level, also known as evolution level or compatibility setting in other APL implementations) determines the level of compatibility of the Dyalog APL language to IBM's APL2 – changing this aid to migration from its default value (1) changes the behaviour of certain glyphs and language constructs.
- The APLX migration tools repository contains utilities and useful information for the migration of code from APLX to Dyalog. For more information, see the APLX Archive.
- The
]TRANSFER.Inuser command imports files in APL Transfer Format (.ATF) that are created by other APL implementations. See]In -?for more information.
- from APL2:
- Case study: APL2 Mainframe application to a Dyalog Microsoft Windows Server platform
- Case study: APL2 Mainframe to a Dyalog Microsoft Windows platform
- Video (Dyalog '22): Lift-Off from APL2 Mainframe to Dyalog in the Cloud
- Video (Dyalog '16): The Journey of an APL2 Bigot to Dyalog World
- from APL+Win:
- Video (DYNA Fall 2025): Lessons Learned when Converting from APL+Win to Dyalog APL
- Video (Dyalog '24): Migrating APL+Win Applications
- Video (Dyalog '24): Migrating to Dyalog from APL+Win: Workspace Transformation
- Video (Dyalog '23): Converting a COM Server to a Jarvis-based Web Service
Migrating Your APL Application to Dyalog
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