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Cookbook Scratchpad

Cookbook Chapters

1 Strings

2 Numbers

• 2.1 Checking Whether a String is a Valid Number
• 2.2 Rounding Floating-Point Numbers
• 2.3 Comparing Floating-Point Numbers
• 2.4 Operating on a Series of Integers
• 2.5 Working with Roman Numerals
• 2.6 Generating Random Numbers
• 2.7 Generating Repeatable Random Number Sequences
• 2.8 Making Numbers Even More Random
• 2.9 Generating Biased Random Numbers
• 2.10 Doing Trigonometry in Degrees, not Radians
• 2.11 Calculating More Trigonometric Functions
• 2.12 Taking Logarithms
• 2.13 Multiplying Matrices
• 2.14 Using Complex Numbers
• 2.15 Converting Binary, Octal, and Hexadecimal Numbers
• 2.16 Putting Commas in Numbers
• 2.17 Printing Correct Plurals
• 2.18 Program: Calculating Prime Factors

3 Date and Time

• 3.1 Finding Today's Date
• 3.2 Converting DMYHMS to Epoch Seconds
• 3.3 Converting Epoch Seconds to DMYHMS
• 3.4 Adding to or Subtracting from a Date
• 3.5 Difference of Two Dates
• 3.6 Day in a Week/Month/Year or WeekNumber
• 3.7 Parsing Dates and Times from Strings
• 3.8 Printing a Date
• 3.9 High-Resolution Timers
• 3.10 Short Sleeps
• 3.11 Program hopdelta

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