The Developer's Reference
Writing Mathcad DLLs
The Data Acquisition Control
    Supported Devices
    Limitations
    Classes
    Events
    Methods
    Properties
       ActiveDevice
       Channels Collection
       ChannelString
       InstalledDevices
       IOFunction
       IOType
       NumIterations
       NumSamples
       SampleRate
       TrigEdge
       TrigLevel
       TrigSource
       TrigType
       WaitForTrigger
Scripting Custom OLE Objects
Mathsoft Controls
Automation Interfaces
The Component SDK