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This post is from a suggested group
10/21/2025: Shapes on Screen, Using Graphing Calculators to Explore Geometry Topics
Title: Shapes on Screen, Using Graphing Calculators to Explore Geometry Topics
Description: Think Graphing calculators can only be used for Algebra? In this webinar we will explore how graphing calculators can help high school students and teachers enhance lessons and activities.
Date: Tuesday, October 21, 2025 Time: 7pm Eastern (30 mins)
Facilitated by: Mike Simone
Register: https://zoom.us/webinar/register/WN_upWaf2mLRRmyAXrKY-DdOg
A certificate of attendance will be available upon request.
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9/9/2025: Exploring Limits of Sequences Using Cool Problems
Title: Exploring Limits of Sequences Using Cool Problems
Description: Do sequences have to end? We will explore some problems where sequences model real-world phenomena. See how technology connects algebraic representations, promotes algebraic thinking, and a deeper understanding of sequences and limits to help students move from algebra to calculus.
Date: Tuesday, September 9, 2025 Time: 7pm Eastern (30 mins)
Facilitated by: Tom Beatini
Register: https://zoom.us/webinar/register/WN_uJ7Yz1f5QK6klUrRdVyilw
A certificate of attendance will be available upon request.
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Dave S.
10 hours ago
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8/12/25: Algebra to Integrals
Join us for a hands-on teacher-focused webinar to explore how technology can support student understanding across key math milestones, from Algebra 1 to Calculus covering examples from basic equations to higher order polynomials, non-base-10 logarithms, and integrals. We'll demonstrate how a graphing calculator can:
Help students check their work
Clarify the steps behind computations
Build intuitive understanding
Support error analysis and promote self-correction in real time
This session will equip you with practical strategies to reinforce skills, and help your students feel more confident and independent in their learning. Recommended for MS/HS math teachers. All attendees will receive a downloadable PDF with examples featured in the session.
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8/28/25: Bridging Curriculum and Technology: Casio Tools for NYC Algebra Classrooms
When: Thursday, August 28, 10 AM–1 PM
Where: Grover Cleveland HS Library (21-27 Himrod St, Ridgewood, NY 11385)
Workshop will include a calculator giveaways via Kahoot:
– 1st place: fx-CG50 Color Grapher
– 2nd place: fx-9750GIII Monochrome Grapher
– 3rd place: fx-300ES PLUS 2nd Edition
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Dave S.
10 hours ago
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This post is from a suggested group
7/15/25: Teaching High School Statistics Using the fx-CG100
Facilitator: Matthew Goodman, Mathematics Teacher, Statistics & Geometry
Description: Technology is valuable and essential when teaching statistics. The Casio calculators make it simple to calculate summary statistics, create graphs, calculate probabilities, construct confidence intervals, and more. In this webinar, we will explore the Statistics and Distribution capabilities of the new fx-CG100 calculator. Through this webinar, teachers will understand how to use the Casio calculators for simple and complex statistical calculations and think about how to use them in their instruction.
Register here: https://zoom.us/webinar/register/WN_y6cQm_0OQHWtTSedC1U7Kg
A certificate of completion for this webinar will be available upon request.
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I have a list and I intend to extract 4° value and get the numerator.
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Dave S.
10 hours ago
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When you run numerator(lfparc[4]) the calculator is treating lfparc[4] as an unsimplified symbolic expression instead of a clean numeric value, so it returns a symbolic expansion of the numerator... causing the result you saw originally. I suspect the manual input works because the computation bypasses symbolic complexity. As an untested hypothesis, we might be able to get around this issue using simplify() before numerator() to avoid the issue we are seeing with symbolic expansion. I'm not very well versed with the fx-CG500 so I hope this response will help you as you investigate future computations.
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6/3/2025: How Can a Calculator Improve Our Math Understanding?
Facilitator: Nils DeVita
Description: We live in a fast paced world with exploding technology. Everything from ordering food, trading a stocks, to buying a house, can all be done with a few thumb taps. It's impressive to think back to a time (from the 70's to 90's) when calculators were prohibited in classrooms. Today, the opposite is true. My session will show you a few simple approaches on how calculators can help students better understand math.
Date: June 3rd, 7:00 p.m. Eastern Duration: 30 minutes Register Here: https://zoom.us/webinar/register/WN_c4gdYmDZTSWU3vuxQ30-cA
Attendees may receive a Certificate of Completion upon request.
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Dave S.
10 hours ago
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Nils has provided the following handout to help attendees prepare for the webinar.
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