Moodle Plugins directory: Set: STACK | Moodle.org
STACK 
STACK is an open-source system for computer-aided assessment in Mathematics and related disciplines, with emphasis on formative assessment. STACK version 3.0+ comprises five related Moodle plug-ins.
qtype_stack
The STACK question type adds a sophisticated assessment in mathematics and related disciplines, with emphasis on formative assessment underpinned by computer algebra.
Latest release: 2251 sites 678 downloads 101
qbehaviour_adaptivemultipart
A question behaviour designed for use by qtype_stack.
Latest release: 4217 sites 695 downloads 30
qbehaviour_dfcbmexplicitvaildate
A question behaviour designed for use by qtype_stack.
Latest release: 2469 sites 495 downloads 8
qbehaviour_dfexplicitvaildate
A question behaviour designed for use by qtype_stack.
Latest release: 2459 sites 497 downloads 6