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Essential Trigonometry: A Self-Teaching Guide, Hill Tim


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Цена: 1895.00р.
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Автор: Hill Tim
Название:  Essential Trigonometry: A Self-Teaching Guide
ISBN: 9781937842161
Классификация: ISBN-10: 1937842169
Обложка/Формат: Paperback
Страницы: 76
Вес: 0.10 кг.
Дата издания: 10.04.2013
Язык: English
Размер: 216 x 140 x 4
Поставляется из: США
Описание:

This no-nonsense guide provides students and self-learners with a clear and readable study of trigonometrys most important ideas. Tim Hills distraction-free approach combines decades of tutoring experience with the methods of his old-school Russian math teachers. The result: learn in a few days what conventional schools stretch into months.

  • Teaches general principles that can be applied to a wide variety of problems.
  • Avoids the mindless and excessive routine computations that characterize conventional textbooks.
  • Treats trigonometry as a logically coherent discipline, not as a disjointed collection of techniques.
  • Restores proofs to their proper place to remove doubt, convey insight, and encourage precise logical thinking.
  • Omits digressions, excessive formalities, and repetitive exercises.
  • Covers all the trigonometry needed to take a calculus course.
  • Includes problems (with all solutions) that extend your knowledge rather than merely reinforce it.

Contents
1. A Few Basics
2. Radian Measure
3. The Trig Functions
4. Trig Values for Special Angles
5. Graphs of Trig Functions
6. The Major Formulas
7. Inverse Trig Functions
8. The Law of Cosines (and Sines)
9. Solutions
10. Trig Cheat Sheet

About the Author
Tim Hill is a private math tutor and data scientist living in Boulder, Colorado. He holds degrees in mathematics and statistics from Stanford University and the University of Colorado. When hes not crunching numbers, Tim climbs rocks, hikes canyons, and avoids malls.




Excel 2010 Pivot Tables (Tech 102)

Автор: Hill Tim
Название: Excel 2010 Pivot Tables (Tech 102)
ISBN: 1937842940 ISBN-13(EAN): 9781937842949
Издательство: Неизвестно
Цена: 1895.00 р.
Наличие на складе: Есть у поставщика Поставка под заказ.

Описание:

The jargon associated with Microsoft Excel's pivot tables ("n-dimensional cross tabulations") makes them look complex, but they're really no more than an easy way to build concise, flexible summaries of long lists of raw values. If you're working with hundreds (or hundreds of thousands) of rows, then pivot tables are the best way to look at the same information in different ways, summarize data on the fly, and spot trends and relationships. This handy guide teaches you how to use Excel's most powerful feature to crunch large amounts of data, without having to write new formulas, copy and paste cells, or reorganize rows and columns. You can download the sample workbook to follow along with the author's examples.

  • Create pivot tables from worksheet databases.
  • Rearrange pivot tables by dragging, swapping, and nesting fields.
  • Customize pivot tables with styles, layouts, totals, and subtotals.
  • Combine numbers, dates, times, or text values into custom groups.
  • Calculate common statistics or create custom formulas.
  • Filter data that you don't want to see.
  • Create and customize pivot charts.
  • Unlink a pivot table from its source data.
  • Control references to pivot table cells.
  • Plenty of tips, tricks, and workarounds.
  • Fully indexed and cross-referenced.

Contents
1. Pivot Table Basics
2. Nesting Fields
3. Grouping Items
4. Calculations and Custom Formulas
5. Filtering Data
6. Charting Pivot Tables
7. Tricks with Pivot Tables

About the Author
Tim Hill is a data scientist living in Boulder, Colorado. He holds degrees in mathematics and statistics from Stanford University and the University of Colorado. When he's not crunching numbers, Tim climbs rocks, hikes canyons, and avoids malls.


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