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for 2026
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Charles St. John -Web Developer for the Handstand Factory and ModernMobility Google them!
email or call for GMath and TurboMoney Math Stickers!
Gregg St. John Math Tutoring
Spring 2026
gmath1960@gmail.com
720.275.6225
To Call from outside the United States dial 001.720.275.6225
Search Gregg St. John Math Tutoring on your browser for more information. Also on Linkedin. Also check out: https://sites.google.com/site/thecoloradonumberminingcompany/
4th Edition of Math Tricks for Geeks Like Gregg is Available! (over 2,250 copies sold)
Many more tricks are now available! Contact Gregg for a Math Tricks for Geeks Like Gregg Session (in person with Gregg)
Simi has developed a new puzzle wth angles!
Author of Ti-83/84 Programs (over 41,100 downloads) http://www.ticalc.org/archives/files/authors/105/10567.html
Over 50 Math Trick Shows at Schools
Current and Former Ski , Golf , and Lacrosse Sponsorships: Ari Topelson, Addy Stearns, Emma, Allie, and Michael Resnick, Charlotte Hillary, Max Hamilton, Wade Wright, Van Bouc, Kellen Bradley, Reese Turra, Barrett Delaney, Connor Flaherty, Mabel for Ice Skating competitions, and Abigail for dance competitions.
Abigail Assini has discovered a new trick! (more later)
Louis Haase had Discovered his own Math Trick! It's called Louis4.0 (Take any 4-digit number with no zeros or repeats and subtract the reverse number. The sum of the digits of the answer will be 18 or 27!) He has also broken Gregg's 2-5-8 Universal Multiplication/Division Pattern! (no negatives!)
Another Louis Haase Pattern: 70 squared - 30 squared = 4,000 (7-3)
6 squared - 4 squared = 20 (6-4) etc..... Genius!!
New Louis Haase Discovery! 80/81 = .987654321
Louis crushes Mr. Gregg in Chess! AHHHHHH!♟️
Reed Nelson just received a 23.5 out of 25 on his test! WooHoo Reed! That's 94 %! Reed is Developing an Idea for a Program for the T-84.....
One of Gregg's Former Students was in the 2024 Paris Olympics! Go USA
Congratulations Alex Geldzahler, Co-Valedictorian East High School, Denver, CO
Collins has developed a TI-Calc program about her dog NILKNARF...nearly 300 downloads!
Logan Thimm of Minden, Germany Solved the Rubik's Cube in 49 Seconds!
Mabel Made 70 Half-Cuts with Kinetic Sand...almost Quantum-like!
Gregg has a new math genius student, Aadya D from Reston, Virgnia!
Clara A is also a new math genius! She Knows the SuperSwitch trick!
Also Sidhu and Simi!
Katherine D has Invented a New Math Trick! Her "How to Get Rich Program" is Rocking!"...over 500 downloads!💲 Helping the World become Richer!
Simi is developing her own math trick based on SuperSwitch Max!
Reese discovered that any number whose last digit is 8 when taken to the 5th power will end in 68! REESE HAS INVENTED HER OWN MATH TRICK! "The Multiplication Galaxy Trick" WooHoo!
Mabel and Reese are competing to see how many half cuts can be made with Kinetic Sand. ( 32 half cuts give the size of an atom! The power of exponents.)
The Earth can hold 28 Septillion Cubic Centimeters of Slime according to Barrett D...
Mia W is thinking about a degree in Astro Physics! So Mathy!
Update! Stevie2.0 has gone over 300 downloads!
Buzzy Bee is Number One! Random Code Maker Program on ti-calc is OVER 3,055 Downloads! Craziness! Galaxy Math by Reese Turra close behind with 2,700.
Joseph K just broke the 2.71 trick with 14 million! (TI calc could not handle it!)
Tony B is up and rocking in math! He is starting to teach his class, too.
Mabel's New Math Code Name: Coyote... She discovered a multiplication pattern for 12345678 : 12=3x4 and 56=7x8
Mia W New Sine/Cosine Trick!
Barrett D is developing a new math trick!
Ti-83/84 Prgrams from Student Ideas: Google these to acceess. (over 12,500 downloads as of Summer, 2025) Craziness!
All Programs are in use Today!
Investing by SaedraG 2.0 ticalc
Mailin T's Birthday Probability ticalc
Product Digit Counter ticalc
Raea's Fraction Program ticalc
Stevie2.0 Division ticalc
Levi's Free Throw Probability Program ticalc
LukeD's Running Program ticalc
Gus's Triangle Program ticalc
Max Hamilton's Slugging Pct ticalc
Wade W's Infinite Halves Program ticalc
JusticeE's Simple Monthly Compound Investing ticalc
Pumpkin Math by Katharine D ticalc
Free Fall by Luke ticalc
Van's 3-Point Program ticalc
Teddy H Robot Math ticalc
Colin W's Program for Euler's Number e ticalc
Wyatt O's Lego Program ticalc
Miller S's March Madness Math ticalc
Bunny Bounce by Luke D ticalc
Turbo Money by Katherine D ticalc
Orca Math by Reese Turra ticalc
Unicorn Math by Margaret H ticalc
Hot Wheels Math by Buzzy Bee ticalc
Axolotl Math by Barrett Delaney ticalc
Hockey Math by Gavin B ticalc
Mermaid Math by Nina O ticalc
Ski Math by Joseph K ticalc
Video Game Math by Logan Thimm ticalc
Ace the Lightning Dog Math by Harper C ticalc
Violin Math by Reese Turra ticalc
Fuzzy Moth Math by Payson ticalc
Random Code Maker by Buzzy Bee ticalc
Galaxy Math by Reese Turra ticalc
Historical Home Values by Luke D ticalc
NCAA Basketball Champion Predictor by Connor F ticalc
How to Get Rich by Katherine Dunn
Nilknarf the Dog Math by Collins M
Snowflake Math by Clara A
Grains for Ultra Fine Sand by Mabel
Elevation and Weight by Louis Haase
Speedy Skilift by Reese Turra
Birthday2.0 by Liam
Golf 2.0 by Lander Hamilton
Soccer2.0 by Chelsea Cristen
Jet Ski Math by Kailey
Social Media Math by Abigail Assini
Labubu Math by Barrett Delaney
Mango Cube Math by Simi
Projectile Drop by Sidhu
Big by Stevie White
Jet Turbine Math by Marco C
Running Back Rating Program by Louis H
All Programs can be accessed by AI! 😀
Math Experiments for GMath at AstroRanch, Valencia County, New Mexico
GMath is a Monthly Donor to the
Nicklaus Children's Hospital Foundation in Miami, Florida
Children's Champions Program
Updated for 2026!
Pi 's Contact Info: (314) 159-2653 or (589) 793-2384 ext 626
Easy way to memorize 23 digits of Pi.
Copyright 2026 Gregg St. John
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