Application of differentitaion in geology. A projectile problem.

A demo of the matrix entry part and its options.

A few questions which show off the new matrix entry part.

GIve a random linear program and ask the students to convert it to canonical form.

This question is a variation on another version which asks the student to find the height of a bridge arch and width of the river given a formula for the arch of the bridge (also available in the Numbas database)

Demonstrates how to display a plot generated in R.

Skills Audit for Chemistry students.

Skills Audit for Maths and Stats for Public Health Students

Skills Audit for Maths and Stats for MUS642 Students.

Skills Audit for Maths and Stats for MAS153 Materials Science students.

Skills Audit for Maths and Stats for MAS106 students.

Skills Audit for Maths and Stats for module BIS123 students.

Skills Audit for Maths and Stats for module BIS110 students.

Skills Audit for Maths and Stats for module BIS114 students.

match different variables to either: 'nominal','ordinal','interval','ratio'

SbE Mechanics Resit Written Assessment

Skills Audit for Maths and Stats for MAS156 Aerospace Engineering students. 

Skills Audit for Maths and Stats for MAS140 Chemical and Biological Engineering.

Skills Audit for Maths and Stats for Nursing students.

Skills Audit for Maths and Stats for MAS156 Aerospace Engineering, Electrical and Eletronic Engineering, and Electronics and Computing Engineering students. 

Skills Audit for Maths and Stats for CIV109 Civil and Structural Engineering.

This easy question is intended to be used by administrators to test the integration of Numbas with a learning environment.

Given two complex numbers, find by inspection the one that is a root of a given quartic real polynomial and hence find the other roots. 

No description given

Using Mohr's Circle to calculate principal stresses in plane stress 2D case.

Calculate the von Mises stress at the base of a post subject to axial compression, bending and torsion.

Determine the principal stresses for a 3D stress state (with null third invariant).

Calculate invariants and von Mises stress for a general 3D stress state.

Determine maximum pressure in a closed thin-walled cylindrical pressure vessel before yield.

Work backwards from hoop strain measurement to calculate prior gauge pressure in a drinks can.