ChEn263 — Lecture 3

• Link to Course Notes

Lecture 3 - Units, Data Types, Round-Off Error

• This lecture discusses the concept of units, unit conversions, and data types (boolean variables, strings, integers, and floating point values).

• Handwritten Notes
• Video Notes
• This is a handout of the most common units (the “Big 13”) that we will use, and it contains the unit conversions that you must memorize for the course.

Examples

• This video covers examples of unit conversions and the use of different data types in Excel and Python.

• Example - Units in Excel
• Example - Data Types and Error in Python
• Example - Unit Conversions in Python (Key)

Additional Reading

• Python Numerical Methods – Variables and Basic Data Structures

Bonus Material

• Here are some lecture slides that our TA Rami converted into slides. Thanks Rami!
• If you need a refresher of conversion between binary and decimal numbers, here are a couple of pretty good videos to help you out.