The following variants are available:

Variant
No. of modules in a program
No. of program statements allowed
No. of document pages allowed
Price
Numerit Pro
trial mode
2
60
2
free
Numerit
trial mode
1
30
2
free
Numerit Pro
Professional Ed.
No limit
No limit
No limit
N/A
Numerit
Standard Ed.
1
No limit
No limit
N/A
* Numerit Pro (the professional edition) allows linking of several modules into a single program, making it possible to build libraries of reusable functions that can be called from any Numerit program.
All editions come with an extensive online help and a user's manual (PDF file).