Welcome to ChuckOates.com


Chuck Oates’s Information Center for His OCCC Math, Applied Math, and Pre-Engineering Students*


Last Updated:  Tuesday, 05 June 2018, 13:30 hr CST (GMT - 6:00), Version 11.20:  revised for Spring 2018 OCCC semester




Special Features

o  Scanned Slide Procedure for College Algebra—under construction and test

     Here’s the table of contents for the scanned slides. 

o  Linear Regression Procedure for College Algebra

     The TI-83/84 calculator will easily perform linear (and other) regression.  Here’s a procedure.  (It’s an Adobe .pdf file.)

o  View Your Grades

     Grades for previous semesters are available on the OCCC MineOnline system.  Here’s a procedure for viewing them.

o  Prof. Oates’s Summer 2018 Teaching and Office Hours Schedule  

     Here’s my OCCC schedule.  UPDATE THIS

o  Need Help for Academic Subjects?

     Here’s a website with help for all manner of subjects, including College Algebra:  Education Portal.

o  CLOates Family Website Lives Again

     The CLOates Family Website has now come back to life after being offline for several weeks.  It was formerly hosted on Cox Communications’ site, but had gone silent when Cox discontinued its hosting service.

o  Personal Items Section Moved

     The Personal Items section is now at the bottom of this very long main page.


OCCC Course Information

o  Math General Education Courses and Course Precedence Diagram

     A summary of the OCCC general education math courses is available here.

     Here’s a precedence diagram for OCCC math courses (Adobe Acrobat file).



O  College Algebra, Summer 2018

    Math 1513-TR708U College Algebra (T-Th, 6:00 – 8:40 p.m., MB 2J5)

    Materials Requirements   

    -   The text book is OPTIONAL, but highly recommended; however, the MyMathLab package is REQUIRED.
Use these instructions to sign up for MyMathLab: 
MML enrollment instructions.

    -   Also, a three-ring notebook with at least 1 ˝ inch spine and divider pages is also required.  They’re available in office supply departments for a few dollars.

    Course Overview Materials

    -   The Summer 2018 section syllabus, including policy, and tentative schedule are now available for
     Math 1513- TR08U, T-TH, 6:00– 8:400 p.m., MB 2J5 

    -   Activities for the Summer 2018 class are summarized here.   (requires Adobe Reader, free at Adobe’s Website)

     -   Here’s Prof. Oates’s OCCC schedule for the Summer 2018 term. 

    -   Help for the TI-83/84/84+ calculator is available at www.occc.edu/college_algebra.

     -   Some algebra help is available at KhanAcademy.org and free-ed.net.

    Module 1:  Graphs, Functions, and Models                                

    -   Instructions for the linear regression project are available page by page at these locations: 

              for Excel 2007:  Linear Regression Project, Excel 2007.  -– borrowed from Math for HC, requires Adobe Acrobat Reader available here.

    Module 2:  More on Functions                                                   

    -   Composition of Functions Examples 

              Examples of composition of functions, for example (g◦f)(x),  (f◦g)(x), are presented here.

     -   Summary of Stretching, Shrinking, Translation, and Reflection 

              Here’s a summary of the information on page 212 in the text:  Stretch, Shrink, Translate, Reflect.

    -   Set Theory 

              If you’d like a brief introduction to sets and their operations, i.e., unions, intersections, complements, etc., there is a brief introduction available in this Wikipedia article. The material in the Basic Operations section is particularly useful.

    Module 3: 

     -   Sketching Quadratic Functions using a Formula from Analytic Geometry 

              Sketching Quadratic Functions Example

    Module 4:  Polynomials and Regression Modeling

  -   Review for Module 4

          Review questions for Module 4 for Fall 2012 and later can be found here (Adobe .pdf file).  Answers for the review questions are also available.

  -   Exponential regressions and three-data-point quadratic fits

          Instructions for performing exponential regressions on the TI-84, as well as a solved problem that fits a quadratic equation to three data points here.

     -   Applications of exponential functions:  musical scales, equal tempered vs. just toned scales

          Have you ever wondered how the frequencies for musical notes are determined?  It turns out that an exponential function, specifically 2n/12, is heavily involved in the modern 12-note chromatic equal tempered scale, successor to the old just-tone scale used before the time of J.S. Bach.  Here’s a link to a discussion of the equal tempered musical scale and practical piano tuning, as well as Prof. Oates’s Excel spreadsheet investigating some of the formulas presented in the above discussion.  If you’d like *much* more information on the physics of music, see this Michigan Tech web page.

     Module 5:  Systems of Equations and Matrices

    -   Solutions for Systems of Linear Equations

          Here are instructions for solving three linear equations in three unknowns on the TI 83/84 calculator. 

          Also, have a look at a couple of solved stated problems involving systems of linear equations.

     -   Non-linear Regression

          Instructions for performing exponential regressions on the TI-84, as well as a solved problem that fits a quadratic equation to just three data points here.

    Module 6, Projects:  Non-Linear Regression, Mathematician Biography

     -   Specification for this year’s Mathematician Biography Assignment can be found here.

     -   Instructions for the Non-Linear Regression Final Project can be found here.



o  Math for Health Careers, Fall 2012

        All items in this section  © 2000 – 2011 Oklahoma City Community College


    Course Overview Materials

    -   The Fall 2012 section syllabus and tentative schedule are now available for
     APPM 1313-003, Wednesday,  5:30 p.m. – 8:00 p.m., SEM 2C8.

     -   Here’s Prof. Oates’s OCCC schedule for the Summer 2012 term.

     -   A list of worksheet titles for all APPM 1313 worksheets is also available.      

     -   The departmental syllabus is available below, page by page.

              Departmental Syllabus:  Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, and Page 11.


        Module 1

     -   Practice Test 1 is available here.

     -   Worksheets for Module 1 are available below.  Worksheets 2 through 7 are optional.

              Module 1 Worksheets:  WS 1, WS 2, WS 3, WS 4, WS 5, WS 6, WS 7, WS 8, WS 9, WS 10, WS 11, WS 12, WS 13, WS 14, WS 15, WS 16, WS 17, WS 42, WS 43, WS 44, WS 45, and WS 46 .

     -   If the idea of significant figures/digits hasn’t dawned for you yet, this set of YouTube videos, Significant Figures 1.1 through 1.8, may be helpful.  (Thanks go to Bryan Beane for locating these videos and making me—and you!—aware of them.)

     -   The material on Roman numerals is now available.  See also worksheets WS 12 and WS 13, above.

     -   A Metric_Prefix_Examples table is also available.  This table will be part of the conversion tables on Test 1.

     -   A Units Conversion Summary sheet is now available.  This table will also be part of the conversion tables on Test 1.

     -   The Joint Commission on Accreditation of Healthcare Organizations (“Jay-co”) requires that hospitals ban the use of certain confusing abbreviations if the hospital wishes to be accredited.  A list of the Forbidden Abbreviations can be found through the preceding link.

     -   Enquiring minds want to know the salacious, unexpurgated, startlingly explicit truth about conversion factors.  Learn covert conversion secrets!  Discover units furtively pilfered from the ancient Romans. The NIST Units Conversion Summary has it all.  Coming soon to grocery store checkout stands everywhere!  (new!  exciting! sensational! different!)

     -   Have a look at Dr. M. Sanchez’s PowerPoint presentation on significant digits and scientific notation.  (You may have to save this to your local disk to view it.)

    Module 2

     -   The worksheets for Module two are:  

              WS 17, WS 18, WS 19, WS 20, and WS 21 .  

              The following are maximum resolution versions of the above worksheets.  They’re large files, about 1 Mbyte each.  If they won’t display correctly on your browser, you may need to right-click the link, select save-target-as, save the file, and then view the file using IrfanView, a free, but powerful viewer available at www.irfanview.com.

              WS 18-big, WS 19-big, WS 20-big, and WS 21-big .  

     -   Practice Test 2 is available below, page by page.

              Practice Test 2:  Page 1,  Page 2,  Page 3,  Page 4,  Page 5,  Page 6, and  Page 7 

    Module 3

     -   Tactics for Solving Chapter 10 Problems

              Here’s draft document that describes tactics for solving IV drip rate problems.  It’s in the “if-then-else-ish” English (also known as “pseudo-code”) that software people use to describe solution methods for problems.  I hope it’ll help you organize your solution techniques for Chapter 10’s problems.

     -   Chapter 10 Problem Solutions

              The text of several e-mails I’ve sent to students requesting help with Chapter 10 problems can be downloaded here.  A new supplementary solutions digest is also available.  Here’s a solved problem or two.

    -   Practice Test 3 is available below, page by page.

            Practice Test 3:  Page 1,  Page 2,  Page 3, and  Page 4 (with revised answer for problem 16)

    -   Worksheets for Module 3 are available below.

              Module 3 Worksheets:  WS 22, WS 23, WS 24, WS 25, WS 26, and WS 27.    

              Note that Worksheet 23, The Five Percent Rule, is no longer used.

    Module 4

     -   Practice Test 4 is available below, page by page.

              Practice Test 4:  Page 1,  Page 2,  Page 3, and  Page 4

     -   Worksheets for Module 4 are available below.

              Module 4 Worksheets:  WS 28, WS 29, WS 30, WS 31, WS 32, and WS 33.

     -   Review Guide for Test 4

              A Review Guide for Test 4 is now available. 

     -   Solutions to Five-Step Problem

              A solved five-step problem with commentary can be found here.

     -   Solutions to Module 4 Body Surface Area (BSA) Problems in All Flavors

              Here’s the Guide for Calculations with Body Surface Area (BSA) .

     -   Solution Guide for Module 4 Dosage Range and “Is it safe?” Problems

              Some problems in the text and in Worksheet 32 are dosage range or “Is it safe?” problems.  Click this link to receive more information on dosage range/is-it-safe problems. 

These problems require that two sets of calculations be made, one for the LOW LIMIT of the dosage range and one for the HIGH LIMIT.  The ordered dose is then compared to these limits to see if it is either within limits and, therefore, SAFE or outside the limits and, therefore, potentially UNSAFE.  Note that both the limits and the ordered amount must be in the same units.

     -   More Module 4 Problem Solutions

              Here are some solved problems drawn from e-mail messages sent to APPM 1313 students recently.  These should assist you in working the Module 4 homework.

.    -   Erratum, Module 4 Problem from the Textbook

              The text’s incorrect answer to problem 3, page 216 is 9.7 mL/dose.  The correct answer is 4.8 mL/dose. 

              The previous edition of the text had this same question, but in that edition the medication label displayed a concentration of 125 mg/5 mL; since the new label’s concentration is 250 mg/5 mL, the required number of mL is half that stated in the answer section.

    Module 5

     -   Practice Test 5 is available here.

              On the real Test 5, questions 12 – 16 will be replaced by dilution problems similar to those on Worksheets 40 and 41.

     -   Help for Module 5 Dilution Problems

              When synthesizing (building) dilution setups, you’ll need this write-up on Chuck's Quick and Dirty Dilution Technique, CQDDT.

              Here’s a copy of an e-mail response I sent to a student requesting help on Module 5 dilution problems.  You should read and try to understand the material in Worksheets 36 through 39 before reading this document.

     -   Help for Linear Equations, y = mx + b

              Material describing properties of linear equations is available here.         

     -   Worksheets for Module 5 are available using the links that follow.

              Module 5 Worksheets:  WS 34, WS 35, WS 36, WS 37, WS 38, WS 39, WS 40, WS 41, WS 47, and WS 48.

              Landscape-oriented Versions of Worksheets:  WS 38L and WS 39L

                   Note that we did the significant digits worksheets (42-46) earlier in the course.

    Module 6

     -   Excel 2007 Version of Materials for Computer Projects 1, 2, 3 and 4 are available below. 

              Computer Projects v. 2007:  Instruction Packet Front Sides,  Instruction Packet Back Sides

     -   Excel 1997-2003 Version of Materials for Computer Projects 1, 2, 3 and 4 are available below, page by page.

              Computer Projects v. 1997-2003:  Page 1, Page 2, Page 3, Page 4, Page 5, Page 6, Page 7, Page 8, Page 9, Page 10, Page 11, Page 12, Page 13, and Page 14.

    Final Exam Review 

  - To review for the final exam, just have a look at the material for each of the six modules, above.  The final exam questions will be drawn from the module test questions.  Three or four questions from each module will appear on the final exam.



o  Math forTechnical Careers

     -   Here’s some information on multiplying binomial expressions in the Montessori style.   (Top 5 Links: Number 1)


o  Intro. to Engineering, R.I.P.

     -   Just for old times’ sake, here’s Practice Test #3 for OCCC’s late, great ENGR 1113, Introduction to Engineering.


o  View Your Grades

    -   Grades for previous semesters are available on the OCCC MineOnline system.  Here’s a procedure for viewing them.


o  Guide to Academic Costume and Music

     -   Since graduation is just around the corner, it’s time to develop some skill at “reading” the academic robes and to get some background on the academic song “Gaudeamus Igitur.”  Here’s an academic costume and music annotated webography to get you started.


o  Pharmacology Problems Solved by Dimensional Analysis

     - Here’s a link to some pharmacology problems solved by dimensional analysis.  This document attempts to show how dimensional analysis is applied to problems closely related to those we do in Math for Health Careers.



Personal Items

o   Prof. Oates’s Earlier Pics
These pictures have been moved to
the CLOates Family Website.

o  Blog Moved  

     Prof. Oates’s blog, formerly located at chuxstuff.blogspot.com, can now be found at ProfOates.blogspot.com.   

o  Math Help (Other Subjects, Too!) 

    Lots of help for math and other subjects is available at KhanAcademy.org and free-ed.net.  Give them a try.

o  View the Near-beta Version of Prof. Oates’s Math Info Site  

     You can view and comment on Prof. Oates's (New) Math Information Site, still under construction.  Your constructive comments and problem reports will be much appreciated. 

     If you need to construct a website in a hurry, consider wordpress.com for the task.  I reconstructed the website you are reading on the WordPress’s blog site in about 12 hours total (so far). 

o  Scale of the Universe

    Here’s a literally mind expanding website where you’d do well to spend some time.

o  Top Ten Lists for ChuckOates.com   (updated 2010-01-29, reformatted 2010-02-12) 

     Top Ten Lists of most frequently accessed pages, images, and blog entries on this website are now available. 

o  How NOT to Analyze Data

     "Global Warming Stopped in 1998"  Oh, really?  Here's a classic case of 1) playing fast and loose with data, cherry picking a short segment while ignoring the bigger picture and 2) complete failure to understand the complexity of the system that's being discussed.  At best, it's a manifestation of ignorance; at worst, it's a classic propaganda technique.  Have a look at the big picture here .  Be careful not to make such an error yourself or unwittingly spread the results of someone else’s erroneous analysis.  A statistics course [find “Statistics”] is a useful prevention for some of these kinds of errors.  So is the study of propaganda techniques.

o   National Weather Center Open House

Here are a number of pictures made at the NWC Open House, 4 November 2006, Norman, Oklahoma, USA.

o   Severe Weather Footage, 5:30 p.m. – 5:45 p.m., 10 May 2010

Here’s some footage shot during the May 10 tornado outbreak.

o   Lookin’ for a Career?  Take the Path Less Traveled

Here are some thoughts on careers for those considering their futures and, particularly, for those graduating at various academic levels this spring:  Lookin' for a Career? 

o   Images from the News

Recent oil drilling platform explosion images,  Maps of the Gulf of Mexico oil spill,  Iceland's Eyjafjallajokull volcano

o  How to Tawk Texan  MP900362846[1]

     Texas:  it’s like a whole different ... planet.  Here’s your guide to Texas Ang-lish, so you can sound like a native when you visit.  For those who wish to take the advanced course, The Unofficial Texas Dictionary is also recommended, but it’s definitely second-semester stuff.  You can find some colorful Texas expressions at this address, also.  You’ll find a Texas travel guide here.  Don’t forget Texas’s most under-rated attraction, the Palo Duro Canyon, presented here in pictures and as a virtual tour.


*Credits.  Special thanks go to Introduction to Engineering student Randy Le for suggesting the creation of this website.

Entire Website contents copyright © 2005 - 2011 Charles L. Oates, except as noted.

About Chuck 



Owner:  Charles L. Oates, a.k.a.: Chuck Oates, Charles Oates, Charles Lee Oates, and Charlie Oates

Also misspelled as:  Charles L. Oats, Chuck Oats, Charles Oats, Charles Lee Oats, and Charlie Oats

Norman, Oklahoma, USA


Chuck is a native of Amarillo, Texas, USA.  He is a graduate (twice) of the University of Oklahoma (O.U.), Norman, Oklahoma, and also attended Rice University, Houston, Texas. 

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