multiple choice testing sin, cos, tan of  random(0,90,120,135,150,180,210,225,240,270,300,315,330) degrees

Using differentiation to find the tangent and normal to a line at a given point

This question asks a student to draw a straight line graph by dragging points.

Tests the ability to find the gradient and intercept of a straight line graph.

No description given

Given the original formula the student enters the transformed formula

There are copious comments in the definition of the function eqnline about the voodoo needed to have a JSXGraph diagram interact with the input box for a part.

Integration by susbtitution, no hint given

Find a regression equation given 12 months data on temperature and sales of a drink. 

Elementary Exercises in multiplying matrices. 

Basic solving of linear equations.

Differentiation of  polynomials, cos, sin, exp, log functions. Product, quotient and chain rules.

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Given a set of curves on axes, generated from a function and its first two derivatives, identify which curve corresponds to which derivative.

Given constant demand for a product, calculate the economic order quantity, and the minimum cost per year.

Given constant demand for a product, calculate the economic order quantity, and the minimum cost per year.

Integration by Substitution

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9 questions: Expanding out expressions such  $(ax+b)(cx+d)$ etc.

Shows how to define variables to stop degenerate examples.

Shows how to define variables to stop degenerate examples.

No description given

Calculating distance, speed and time

En linje 

En linje med en tilfeldig $x$- og $y$- skjæring plottes, og du må dra to punkter til de stedene der linja krysser $x$- og $y$- aksene.

A line with random $x$- and $y$- intercepts is plotted, and you have to drag two dots over the points where the line crosses the $x$ and $y$ axes.

Solving trigonometric calculations.

Tests understanding of scatter plots and related concepts.

This question allows you to practice plotting points on graphs.

This question allows you to practice identifying the coordinates of points on graphs.

Simple Definite Integrals

Fixed base. Chain base. Laspeyres Price and Quantity. Paache Price and Quantity. Interpretation. 

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Given an oracle function that will output its value given an input: first estimate the derivative, and second calculate its shape.