Kirjahaku

This book provides a practically-based introduction to the tools and techniques of computer systems analysis and design. The notation and terminology used is compatible with the latest version of the official UK government method, SSADM version 4.2+, but the order and delivery has been simplified to make it suitable as a first text in the subject for students on Computing, Information Systems and Business Studies degrees, especially those on modular courses.To emphasise the practical aspects of the topic, reference material and case studies are supported by an independent example, so that teaching and learning activities can progress independently but in parallel. This allows the material to be used by students and lecturers to support more advanced practical courses, especially where group activities and role-playing are involved. In addition, advice on professional practice and common skills are made where appropriate throughout the text.

The importance of learning mathematics is constantly stressed by educationalists and employers alike. Yet survey after survey shows that large numbers of children leave school lacking both competence and interest in mathematics. What is going wrong and what should be done about it? In Children and Number Martin Hughes proposes a new perspective on children's early attempts to understand mathematics. He describes the surprisingly substantial knowledge about number which children acquire naturally before they start school, and contrasts this with the difficulties presented by the formal written symbolism of mathematics in the classroom. He argues that children need to build links between their informal and their formal understanding of number, and shows what happens when these links are not made. Children and Number describes many novel ways in which young children can be helped to learn about number. The author shows that the written symbols children often invent for themselves are more meaningful to them than the symbols that they are taught. He presents simple number games for introducing children to mathematical symbols in ways they can appreciate and understand. Dr. Hughes also describes how the computer language LOGO can be adapted for young children, and shows the dramatic effect that LOGO can have on their mathematical understanding.

With unexpected speed the pirate pressed a finger against Liz's lips, silencing her. 'Shhhh...' the finger pressed a little. 'I said nice and still, and quiet. Don't make me angrier than I already am. I don't like finding Federation scum roaming unsupervised around my section. Got it' The pressure of the finger increased, and Liz could do nothing but allow her lips to peel apart and for it to push into her mouth. The pirate smirked, pulled the finger out, cupped her chin, and pushed her head back against the wall. 'Now, I have to search you, ' he went on, his face mere centimetres from hers. 'For all I know you could have a nasty weapon concealed somewhere.' Commander Liz Hartley, the beautiful second-in-command of the Space Cruiser Explorer, is captured by vicious pirates in the lawless Megellan region of space, and Liz has to call upon all her reserves of courage to survive at the hands of her sadistic captors, who seek the codes to disarm her ship. Eventually she and the prettier members of her crew are consigned to the hell of a detention camp and the whims of the Commandant and guards, but undaunted, Liz and the girls endure all whilst plotting revenge...