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Published September 2, 2025

CS 114 Fall 2025 Principles of Computing for Science Section 001-003, 101-105, 201


Class Schedule

Course Meet Days Meet Time Location Instructor(s)
schedule data automatically refreshed daily

Instructional Team

Instructor

Gregor Richards, gkrichar@uwaterloo.ca

Coordinator

Scott Freeman King sfking@uwaterloo.ca

Instructional Support Assistants

cs114@uwaterloo.ca

Office Hours

We will hold office hours throughout the term.  This is an opportunity for you to talk with your instructor or an ISA, to ask questions about course material, assignments, or other topics. Student who make use of office hours usually get better grades; use them! The schedule is posted in Learn.

Course Description

Calendar Description for CS 114

No description available

No requirements available

Learning Outcomes

By the end of this course students should be able to:
Given a clear and concise statement of a problem or task, write a program from scratch of up to a hundred lines of properly-formatted, tested, and documented Python code to solve the problem or carry out the task.
Write useful Python programs working with scientific data stored in open file formats.
Write programs that create plots, using Matplotlib.
Use various forms of iteration (for, while) in programs.
Describe the basic memory model for mutation of basic types, lists, and objects in Python.
Distinguish between constant, linear, quadratic and exponential running times of algorithms.
Explain the relative advantages and disadvantages of lists and dictionaries.
Use NumPy to work with numerical data in arrays.
Identify situations where recursion is an appropriate tool, and use it.

Tentative Class Plan

Weeks

Dates

Content

1-2

Sep 4-13

M1: Basics of Computation

3

Sep 16-20

M2: Making Decisions

4

Sep 23-27

M3: While loops

5

Sep 30-Oct 4

M4: Strings and Lists

6

Oct 7-11

M5: Sorting and Dictionaries

7

Oct 21-25

M6: Files

8

Oct 28-Nov 1

M7: Plotting

9

Nov 4-8

M8: Classes

10-11

Nov 11-22

M9: Recursion

12

Nov 25-29

M10: Efficiency

Required Materials & Technologies

Note: Any prices provided in course outlines are best estimates based on recent online prices and do not include shipping or taxes. Prices may vary between retailers.

This course has no additional costs for students.

Technology

Name of Technology Notes / Comments Required URL (student access) Price (CAD)
CS114 Website https://student.cs.uwaterloo.c... Required https://student.cs.uwaterloo.c... Free
Jupyter https://jupyter.math.uwaterloo... Required https://jupyter.math.uwaterloo... Free
Piazza https://piazza.com/class/mex12... Required https://piazza.com/class/mex12... Free
EdX Interactive Textbook https://online.cs.uwaterloo.ca... Optional / Supplemental https://online.cs.uwaterloo.ca... Free

Assessments & Activities

If both exams are held in person
Component / Activity Date or Due Date Location / Submission Method Weight (%)
Assignments MarkUS 35%
In-Class Participation In person 5%
Midterm Exam In person 20%
Final Exam In person 40%

Notes:

  • The weighted exam average is (20 × midterm + 40 × final) / 60.

  • You must pass both the assignment portion and the weighted exam average portion of the course in order to pass the course.  If you do not pass both the assignment portion and the weighted exam average, then your final grade is either the assignment portion or the weighted exam average, whichever is lower.

  • All assignments are weighted equally, except for Assignment 0 which does not contribute to the final grade in the course.

  • If in-person exams cannot be held then they will be held online (if possible).  An online exam will have half of its weight moved to the assignment component.

  • If an online exam is not possible (e.g. due to not having enough time to switch format) then that exam will be cancelled.  Half of the weight will be moved to the assignment component, and the other half will be moved to the other exam.

Late / Missed Content

  • Students have the option of self-declaring a short-term absence, as described here: https://uwaterloo.ca/registrar/current-students/undergraduate-student-short-term-absences
    To accommodate self-declared short-term absences, assignment, and participation mark will be automatically dropped (even if the date of each lowest assessment does not correspond to the date of your self-declared short-term absence, or if you do not have a self-declared short-term absence). If your self-declared short-term absence coincides with the date of the midterm, the grading weight of the midterm exam will be added to the final exam.

Assignment Screening

Measure of Software Similarities (MOSS) is used in this course as a mean of comparing students' assignments in order to support academic integrity.

Generative AI

Generative artificial intelligence (GenAI) trained using large language models (LLM) or other methods to produce text, images, music, or code, like Chat GPT, DALL-E, or GitHub CoPilot, may be used under specific conditions in this course with proper documentation, citation, and acknowledgement. Permitted uses of and expectations for using GenAI will discussed in class and outlined on assignment instructions. Most course components do not permit the use of GenAI.

Recommendations for how to cite generative AI in student work at the University of Waterloo may be found through the Library.

Please be aware that generative AI is known to falsify references to other work and may fabricate facts and inaccurately express ideas. GenAI generates content based on the input of other human authors and may therefore contain inaccuracies or reflect biases. 

To protect the privacy and security of any data entered, students should use the University’s version of Co-Pilot and login with their UW ID. Data entered into other systems can be added to training sets, monitored, geolocated and even reproduced as output which may share private personal information or result in intellectual property breaches.  

In addition, you should be aware that the legal/copyright status of generative AI inputs and outputs is unclear. Exercise caution when using large portions of content from AI sources, especially images. More information is available from the Copyright Advisory Committee. 

You are accountable for the content and accuracy of all work you submit in this class, including any supported by generative AI. You should be able to readily demonstrate your knowledge of your submissions. To demonstrate your learning, you should keep your rough notes, including sources, research notes, brainstorming, drafting notes and prompts. You may be asked to submit these notes along with earlier drafts of your work, either through saved drafts or saved versions of a document. 

Administrative Policy

Assignments: Assignments will be submitted to MarkUs. Once you submit an assignment to MarkUs, you will receive an email consisting of basic tests that you passed or failed. Students should check their basic tests email to ensure that the code meets the specification exactly. We will not accept submissions that do not match our test output exactly. There will be no extensions on assignments. If ill, please complete a complete a Verification of Illness Form and contact the course coordinator to discuss alternate arrangements. Reweighting of assignments is not automatic even with a valid doctor's note and is up to the sole discretion of the instructor and coordinator to allow for reweighting. Remark requests for assignments can be made up to one week after the assignment has been returned by filling out the remark request form and submitting it to the appropriate drop box in our LEARN course shell.

Students are encouraged to reach out to campus supports if they need help with their coursework including: 

University Policy

Mental Health: At the University of Waterloo, we are dedicated to supporting your mental and emotional well-being. Our Counselling Services offer confidential support, including individual counselling, workshops, and crisis intervention.
If you're struggling, please reach out for help at 519-888-4096 or visit their website for more information.

Academic integrity: In order to maintain a culture of academic integrity, members of the University of Waterloo community are expected to promote honesty, trust, fairness, respect and responsibility. [Check the Office of Academic Integrity for more information.]

Grievance: A student who believes that a decision affecting some aspect of their university life has been unfair or unreasonable may have grounds for initiating a grievance. Read Policy 70, Student Petitions and Grievances, Section 4. When in doubt, please be certain to contact the department’s administrative assistant who will provide further assistance.

Discipline: A student is expected to know what constitutes academic integrity to avoid committing an academic offence, and to take responsibility for their actions. [Check the Office of Academic Integrity for more information.] A student who is unsure whether an action constitutes an offence, or who needs help in learning how to avoid offences (e.g., plagiarism, cheating) or about “rules” for group work/collaboration should seek guidance from the course instructor, academic advisor, or the undergraduate associate dean. For information on categories of offences and types of penalties, students should refer to Policy 71, Student Discipline. For typical penalties, check Guidelines for the Assessment of Penalties.

Appeals: A decision made or penalty imposed under Policy 70, Student Petitions and Grievances (other than a petition) or Policy 71, Student Discipline may be appealed if there is a ground. A student who believes they have a ground for an appeal should refer to Policy 72, Student Appeals.

Note for students with disabilities and disabling conditions: The University of Waterloo recognizes its obligations under the Ontario Human Rights Code to accommodate students with known or suspected disabilities and disabling conditions (e.g. medical conditions, injuries, impacts of trauma such as from violence or discrimination) to the point of undue hardship. To support this obligation, AccessAbility Services (AAS) collaborates with all academic departments and schools to facilitate academic accommodations for students with disabilities and disabling conditions without compromising the academic integrity of the curriculum. If you believe you may require academic accommodations (e.g., testing accommodations, classroom accommodations), register with AAS as early in the term as possible by completing the online application. Students already registered with AAS must activate their accommodations for each of their courses at the beginning of each term using AAS' online system. If you require assistance, contact AAS by phone (519-888-4567 ext. 35082), email (access@uwaterloo.ca) or in-person (Needles Hall North, 1st Floor, Room 1401). 

Turnitin.com: Text matching software (Turnitin®) may be used to screen assignments in this course. Turnitin® is used to verify that all materials and sources in assignments are documented. Students' submissions are stored on a U.S. server, therefore students must be given an alternative (e.g., scaffolded assignment or annotated bibliography), if they are concerned about their privacy and/or security. Students will be given due notice, in the first week of the term and/or at the time assignment details are provided, about arrangements and alternatives for the use of Turnitin in this course.

It is the responsibility of the student to notify the instructor if they, in the first week of term or at the time assignment details are provided, wish to submit alternate assignment.