Welcome to John's WEBPAGE!

Email: johncr@math.hawaii.edu

Office: PSB 409

Office Hours: MTWThF 11:30-12:00 and by appointment

Current Classes:

Math 302: Ordinary Differential Equations

Past Classes:

243-2-Spring'19
243-4-Spring'19
307-1-Spring'19
307-2-Spring'19
307-Fall'18
241-Fall'18

Math 243 - Calculus III Summer '18 - MWF 10:30 - 11:50 Keller 401

Syllabus 1
Schedule
Homework 1: Due June 6th
11.1 : 6, 14, 18, 22, 26, 36, 44, 52
Homework 2: Due June 8th
11.2 : 14, 24, 34 ;
11.3 : 10, 14, 16
Homework 3: Due June 13th
11.3 : 6 ;
11.4 : 2, 4, 6, 12, 14, 16b
Homework 4: Due June 15th
11.5 : 2, 6, 24, 26, 36, 54
Homework 5: Due June 20th
11.6 : 34, 36, 38, 42
3.9 : 16, 18, 24, 26
6.3 : 2, 4, 8, 10
Homework 6: Due June 25th
10.1 : 8, 10 , 20
10.2 : 6, 20
10.3 : 3, 8, 18
Homework 7: Due June 27th
12.1 : 2, 20, 23
12.2: 8, 12, 32
Homework 8: Due June 29th
12.3 : 2, 4, 6
12.4: 2, 4, 11
Homework 9: Due July 13th
13.1 : 2, 4, 6, 8, 12, 13-18
Homework 10: Due July 16th
13.2 : 9, 12, 14, 18, 28, 36, 42
Homework 11: Due July 18th
13.3 : 2, 10, 12, 18, 26, 44
Homework 12: Due July 20th
13.4 : 2, 4, 12, 14, 22
Homework 13: Due July 25th
13.5 : 2, 4, 6, 10, 12, 14, 16, 18, 24, 32
Homework 14: Due July 25th
13.6 : 2, 4, 10, 12
Homework 15: Due July 27th
13.7 : 2, 12, 18, 24, 28, 30, 38, 48
Homework 16: Due July 30th
13.8 : 2, 4
Homework 17: Due August 1st
13.9 : 2, 4

Worksheets

Worksheet 1 - 6/6
Worksheet 2 - 6/8
Worksheet 3 - 6/13

Practice Exams

Practice Exam 1 Due: 7/6
Practice Exam 1 - Solutions
Problem 5: Missing square root, but the answer is still correct.
Problem 6b): The answer should be over 2.
Practice Exam 2 Due: 8/1
Practice Exam 2 - Solutions

Math 241 Spring '18 - MWF 8:30 - 9:20 Keller 403

Schedule
Syllabus 1
Syllabus 2
HW 1
HW 2
HW 3
HW 4
HW 5
HW 6
HW 7
HW 8
HW 9
HW 10
HW 11
HW 12
HW 13
HW 14
HW 15
HW 16
HW 17
HW 18
HW 19
HW 20
HW 21
HW 22
HW 23
HW 24
HW 25
HW 26
HW 27
HW 28
Final: Spring 2017 (Due: Friday April 27th)
Final: Spring 2015 (Due: Wednesday May 2nd)
Final: Fall 2016 (Due: Wednesday May 2nd)

Practice Exams

Practice Exam 1
- Solutions
Practice Exam 2
- Solutions
Practice Exam 3
- Solutions

Worksheets

Worksheet 1
Worksheet 2
Worksheet 3
Worksheet 4
Worksheet 5
Worksheet 6
Worksheet 7
Worksheet 8
Worksheet 9
Worksheet 10
Worksheet 11
Worksheet 12
Worksheet 13
Worksheet 14
Worksheet 15
Worksheet 16

Online Function Grapher, Equation Solver, Do-er of just about anything:

Wolfram Alpha

Past Classes:

Math 251 Fall '17 - Wednesday 8:30 Keller 404

Worksheet 1 8/23
- Solutions
Worksheet 2 8/30
- Solutions
Worksheet 3 9/6
Worksheet 4 9/13

Math 241 Fall '17 - Section 3: Thursday 8:30-9:30 Keller 402, Section 4: 10:30-11:30 Keller 403

there may be stuff here

Online Function Grapher, Equation Solver, Do-er of just about anything:

Wolfram Alpha

Old 241 Finals:

241 Spring 2012 Final
241 Fall 2012 Final
241 Fall 2011 Final
241 Fall 2010 Final (excluding the differential equation question)

Math 244 Summer '15 - MWF 10:30-11:50 Keller 302

244 Syllabus
HW1 Due 6/12 ---- Solution 1 Solution 2
HW2 Due 6/15 ---- Solution 1 Solution 2
HW3 Due 6/17
HW4 Due 6/19
HW5 Due 6/24
HW6 Due 6/26
HW7 Due 6/29
HW8 Due 7/6
HW9 Due 7/8
Old 244 Midterm ---- Solutions --- Page 6 Correction
HW10 Due 7/17
HW11 Due 7/20
HW12 Due 7/22
HW13 Due 7/27
HW14 Due 7/29
HW15 Due 8/3
HW16 Due 8/7
--- Solutions to HW15 and HW16
HW17 Due 8/10
Solutions to Final Exam

Math 241 Fall '14 - TR 9:00-10:15 PSB 217 , R 1:30-2:20 Keller 404

241 Syllabus
Link to Webwork
Webwork Instructions

Math 134 Fall '14 - TR 3:00-4:30 Keller 303

Homework Assignments:

Homework 1 : Worksheet 1 - 2,3,5 ; Worksheet 2 - 1,4,5
Homework 2 : Worksheet 1 - 4,6,9 ; Worksheet 2 - 3,6,8 ; Worksheet 3 - All
Homework 3 : Worksheet 4 (all); Worksheet 5 (only problem 1)
Homework 4 : Worksheet 5 (problem 2)
Homework 5 (due Sept. 30th) : Worksheet 5 (problem 3) ; Worksheet 6 - All
Homework 6 : Worksheet 7 - all
Homework 7 : Go to the beach
Homework 8 : Worksheet 8 - all (due: Tuesday Oct. 21) - AND - Attempt the practice midterms and come to class on Tuesday with muchos questions

Class Materials:

134 Syllabus
134 Textbook
Quiz 1 (Take Home)
Quiz 2 (Take Home )
(practice) Quiz 3
Quiz Solutions !!!!!!
Worksheet 1 :   Solutions to Worksheet 1
Worksheet 2 :   Solutions to Worksheet 2
Worksheet 3 :   Solutions to Worksheet 3
Worksheet 4 :   Solutions to Worksheet 4
Worksheet 5 :   Solutions to Worksheet 5
Worksheet 6 :   Solutions to Worksheet 6
Worksheet 7 :   Solutions to Worksheet 7
Worksheet 8 :
Worksheet 9 :

Math 242 Summer '14 - MWF 9:00-10:20 Keller 403, Th 9:00-10:20 PSB 208

Class Syllabus 1
Class Syllabus 2
Quiz 1 Solutions
Quiz 1 Take Home Redo
HW 1 Due: June 18th
HW 2 Due: June 19th
HW 3 Due: June 23th
HW 4 Due: June 25th
HW 5 Due: June 26th
----- HW 5 Solutions and Hints
HW 6 Due: July 2nd
---- HW 6 Hint a)
---- HW 6 Hint d)
---- HW 6 Hint g)
---- HW 6 Hint h)
HW 7 Due: July 7th
HW 8 Due: July 9th
---- HW 8 Hint 5)
---- HW 8 Hint 6)
HW 9 Due: July 24th
HW 10 Due: July 28th
HW 11 Due: July 31st
HW 12 Due: Aug. 6th
Hot Tub Problems - A Final Review

Math 241 Fall '13 - MWF 10:30-11:20 Keller 402, W 8:30-9:30 PSB 208

Class Syllabus 1
Class Syllabus 2
HW1- The Quadratic Equation
HW2- Limits
HW3- Definition of the Limit and Sandwich Theorem
HW4- Trig Limits and One-Sided Limits at Asympotoes
HW5- The IVT and The Derivative
HW6- The Power Rule and Removable Discontinuity
HW7- Freaky Derivative Rules
HW8- Tangent Lines
HW9- Implicit Differentiation
HW10- Related Rates
HW11- The First Derivative Test
HW12- Curve Sketching and Optimization
HW13- Antiderivatives and U-Sub
HW14- Summation Notaion and the Area Under a Curve
HW15- FTC1&2, and the Area Between Curves
HW16- Volumes of Revolution pt. 1
Quiz 4 (take home)- Due Monday November 25th
HW17- 241 Fall 2011 Final (Due Monday December 2nd)
Solutions Page 1
Solutions Page 2
Solutions Page 3
Solutions Page 4
Solutions Page 5
Solutions Page 6
Solutions Page 7
HW18- 241 Fall 2012 Final (Due Wednesday December 4th)
Solutions Page 1
Solutions Page 2
Solutions Page 3
Solutions Page 4
Solutions Page 5
HW19- 241 Spring 2012 Final (Due Friday December 6th)
Solutions Page 1
Solutions Page 2
Solutions Page 3
Solutions Page 4
Solutions Page 5
Solutions Page 6
Solutions Page 8
Solutions Page 9
Solutions Page 10
Solutions Page 11
Solutions Page 12
Solutions Page 13
Solutions Page 14
HW20- 241 Spring 2011 Final (Due Monday December 9th)
HW21- 241 Fall 2010 Final (you don't need to do the "differential equation problem") (Due Wednesday December 11th)
HANDOUT: Some notes on tricky limits

Math 203 Summer '13 - MTWRF 12:00 - 1:20 KELL 401

HW1 - Functions (Due: Thursday, May 30 )
HW2 - Functions Contd. (Due: Friday, May 31 )
HW3 - Limits and Derivatives (Due: Tuesday, June 4 )
(optional redo)HW3 - Limits and Derivatives (Due: Wednesday, June 12 )
HW4 - Graph Sketching (revised) (Due: Friday, June 7 )
HW5 - Implicit Differentiation (Due: Wednesday, June 12 )
HW6 - Optimization (Due: Thursday, June 13 )
HW7 - Differential Equations and Population Growth (Due: Friday, June 14 )
HW8 - Antiderivatives and Areas via Definite Integration (Due: Tuesday, June 18 )
Midterm Review (Due: None )
HW9 - U-Sub (Due: Tuesday, June 25 )
HW10 - Volumes of Revolution (Due: Wednesday, June 26 )
HW11 - Partial Differentiation (Due: Thursday, June 27 )
HW12 - Second Derivative Test in 3-D (Due: Friday, June 28 )
Take Home Final (Due: Friday, July 5 )

Math 241 Summer '13 - MTWRF 8:20 - 10:20 KELL 404

HW1 - Derivatives via Limit Definition (Due: Thursday, June 6 )
HW2 - Derivative Rules (Due: Thursday, June 6 )
HW3 - Implicit Differentiation, Related Rates and Linear approximation (Due: Wednesday, June 12 )
HW4 - Curve Sketching Part 1 (Due: Thursday, June 13 )
HW5 - Optimization and Limits at Infinity (Due: Friday, June 14 )
HW6 - The Mean Value Theorem and the Intermediate Value Theorem (Due: Monday, June 17 )
HW7 - Antiderivatives, Sigma Notation and the Definite Integral (Due: Tuesday, June 18 )
HW8 - FTC 1 & 2 (Due: Wednesday, June 19 )
Midterm Review (Due: None )
HW9 - U-Sub (Due: Tuesday, June 25 )
HW10 - Volumes of Revolution (Due: Wednesday, June 26 )
HW11 - Volumes of Revolution (part 2) (Due: Thursday, June 27 )
HW12 - The Sandwich/Pinching Theorem (Due: Friday, June 28 )
HW13 - Careful Calculus (Due: Friday, June 28 )
HW14 - Optimization leading to Baby Newton (Due: Tuesday, July 2 )
241 Spring 2012 Final
241 Fall 2012 Final
241 Fall 2011 Final
241 Fall 2010 Final (excluding the differential equation question)