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Este es el ejercicio interactivo de la semana 2. Aprenderemos el la relación que existe entre una distribución de carga eléctrica y el flujo de campo eléctrico a través de una superficie denominada superficie Gaussiana. Esto es de vital importancia para comprender las actividades requeridas con el uso de nuestro laboratorio virtual

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A demonstration of the random person extension, which picks representative names of people.

A question made for the FYiMaths December meeting, to show off some of the more adventurous things you can do with Numbas.

Demonstrating a feedback loop in a Numbas part: which of the required properties does your answer satisfy?

Demonstrating a kind of feedback loop in a Numbas part: you're told how close you are to the correct answer.

Two parts to demonstrate kinds of feedback loop in a Numbas part: correctness, and refining an answer.

An explore mode activity containing a lot of questions, for students to check their understanding of the information in the "Getting Started" material.

Note: This question was written for students accessing Numbas exams through the Numbas LTI tool. Some of the information does not apply to exams accessed standalone or through a generic SCORM player.

This is out of date. There is a new "getting statrted" exam at https://numbas.mathcentre.ac.uk/exam/21108/getting-started/

6 questions which introduce the user to the Numbas system.

A first exam that I have created to see if I can get Numbas working. Not something to be used by anyone else.

Demonstration of randomisation: many elements in this question are randomised. The names of the products and clients are randomly chosen, as are the prices and order amounts.

This is a Mathematics ability assessment for entry into the Bachelor of Engineering and Technology course at Chisholm Institute. The entire platform has bee developed by Numbas. There are 32 math questions and 6 instruction question regarding how to put answer in the answe rbox. Please practice the 'how to put answer' section first before starting to answer math questions.

You can seek help but it will reduce your marks.

Good luck!

Homeworks 36, 37, 38 and 39 don't resume properly in Numbas LTI, so broken into individual problems.

The student is shown two labelled graphs. They are asked:

• Number of vertices in each
• Number of edges in each
• Degree sequences for each
• Is there an isomorphism between them? If so, write one.

The number of vertices is always equal, so this is a gimme.

If the edges or degree sequences are different, the student is expected to realise that there cannot be an isomorphism.

If these values are the same, then there will be an isomorphism (else the question is a bit too tricky).

Numbas expects a particular isomorphism, but there may be more than one, all of which would be accepted.

The student is given a number in base 10 and asked to write it in a given base, between 2 and 16. The number has at most 3 digits in the other base.

Until it's possible to derive the expected answer for a part in the marking algorithm (see the issue tracker), this question has "show expected answer" turned off, because it just shows the base 10 number.

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Numbastest forelesning 1 og 2, uke 2

This uses an embedded Geogebra graph of a sine curve $y=a\sin (bx+c)+d$  with random coefficients set by NUMBAS.

A demo of the "quantities with units" extension and custom part type.

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NUMBAS practice exam for FY001 - Your score won't be counted for your mark.

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