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We Happily Accept School Purchase Orders - Fax Your Purchase Order To: 888-325-6940
Graphing Calculators
All Graphing Calculators
TI School Teacher Packs & Classroom Sets (All Models)
TI-Nspire Clickpad and Touchpad Series
TI-Nspire CX and TI-Nspire CX CAS
TI-83 Plus and TI-83 Plus Silver Edition
TI-84 Plus & TI-84 Plus School Property
TI-84 Plus Silver Edition - Color Edition and TI-84 Plus Silver Edition School Property Color Edition
TI-84 Plus Silver Edition and TI-84 Plus School Property
TI-89 Titanium and Voyage 200
Slide Cases and Faceplates (Silver Edition and Silver Edition Color)
Chargers and Charging Docks (Nspire, Nspire CX, Nspire CX CAS, and Silver Edition Color Edition Series)
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Customer Testimonials:
"We've had the pleasure of partnering
with Math4Sale for over 5 years now.
They always deliver a great product on
time and always stand behind
everything they sell. We're so glad we
found such a reputable vendor that not
only saves us money, but also
provides the highest level of customer
service. Thanks again everyone at
Math4Sale."
-Ken White, Rifle HS
Excellent service, fast shipping, good
packing, and calculator was in very
good shape. Thank-you! What a great
deal! Thanks Math4Sale!
- Elizabeth Whitney
I have purchased from Math4 Sale
before.They have great prices and
customer service. I don't think you will
find a better deal any where on the web
-Daryl Adams
Home > Our Company
 

Our Company

Since 2005, Math4Sale, Inc. is the #1 source for schools to save money on new, refurbished, and quality used graphing calculators. 

Calculators - It’s what we do! 365/24/7, for the last 10-years. We don’t outsource our customer service, we don’t drop ship our products, and we do everything in house to ensure that we can 100% serve you and offer you the best buying experience while also saving you a lot of money! 

We accept purchase orders directly and offer bulk discounts for large school districts. Simply give us a call at 800-805-3392 and we’ll be happy to assist you. If you already have a PO ready to go, simply fax us at 888-325-6940. 

In an effort to help schools and students combat the rising cost of education - we’ve been committed to offering the highest quality Texas Instruments graphing calculators at remarkable discounts.

We've had the distinct honor of being able to serve thousands of schools over the last 10 years and saving them A LOT of money on their graphing calculator purchases. 

We are 100% committed in continuing to serve you and your needs for saving money on graphing calculators. 

We know you have many choices online and it our goal to provide you with: 

  • Excellent customer service,
  • Amazingly fast shipping times,
  • Top Quality Products
  • and Extremely competitive prices


We may not be the cheapest on the market, but we can guarantee that you get what you pay for. Each refurbished item we sell goes through a 12-point inspection and is quality-checked twice-over again before it is shipped. We take our jobs very seriously in our state of the art facility and every-item is combed over to ensure you get the absolute best product. We offer a 30-day money back guarantee on all products, and a 90-day warranty on used, 180-day on refurbished, and 1-year on NEW (OEM Bulk) and New Retails product). If there’s ever an issue we replace the units right away from our in-house inventory of thousands of products on hand. 

We carry a wide selection of all the popular graphing calculators including: Texas Instruments TI-83 Plus, Texas Instruments TI-84 Plus, Texas Instruments TI-84 Plus Silver Edition, Texas Instruments TI-89 Titaniuim, Texas Instruments TI-Nspire Calculators, Texas Instruments TI-Nspire CAS Calculator, Texas Instruments BAII Plus and Professional Financial Calculators, Texas Instruments TI-73 and TI-73 Explorer Graphing Calculator, School Yellow Classroom Sets and Teacher Packs.

Since 2005 we've pledged to always provide our customers with the best prices and the best service. In our 10th year in business - we've been honored to serve over 100,000 happy customers across our multiple sales channels including Ebay, Amazon, and our Website.

We understand that the cost of education technology is continually increasing and it is a necessity to own a quality graphing calculator to thrive in today's competitive education environment.

Buying refurbished and/or used saves you money without compromising functionality. With savings from 20-50% off retail through Math4Sale, Inc. it's a great deal! This is our 10th year in Business selling quality refurbished graphing calculators to schools just like yours.

We absolutely guarantee you will be 100% satisfied with your refurbished calculators, that's why we back them by our own 6-month in house-warranty, and if there's any issues we guarantee to take care of them asap with our dedicated in-house team. 

Our staff meticulously goes through a 12 stage process to ensure each unit is properly inspected and of the highest quality before it is shipped to you. 

We've been able to save schools over 20-50% off of retail prices - and to date that's been over $1,000,000 in savings! 

In 2014 we plan to continue to increase the savings for you. 

We thank you for the opportunity to serve you,


Our Family At Math4Sale, Inc.


Questions? Please see our FAQ page or Email Us. We'd love to hear from you.


Are you a school looking to submit a Purchase Order? We specialize in working with every school’s unique needs - Call us at 800-805-3392 for a quote.

We accept purchase orders directly and offer bulk discounts for large school districts. Simply give us a call at 800-805-3392 and we’ll be happy to assist you. If you already have a PO ready to go, simply fax us at 888-325-6940.