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Texas Instruments

#1 Recommended Brand of Calculators

As an authorized instructional dealer for Texas Instruments, we offer a complete range of products that teachers trust and recommend - from basic calculators for elementary classrooms to advanced graphing calculators and software for high-school and college students. Featuring best-selling models like the TI-84 Plus CE, TI-Nspire, and TI-30XIIS, we meet the needs of schools and educators across all grade levels.

With over 30 years as teachers' most recommended calculator brand, TI calculators do more than just get answers - they inspire learning and collaboration. Browse our selection of handheld calculators, accessories, software, and more - all backed by our promise of speedy shipping, easy returns, and dedicated customer service.

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TI-36X Pro Scientific Calculator (Bulk Packaging) - Underwood Distributing Co.

TI-36X Pro Scientific Calculator (Bulk Packaging)

$21.44
$21.44 - $21.44
$21.44
$18.95
$18.95 - $18.95
$18.95

What's in the Box? Ti-36X Pro Scientific Calculator in bubble wrap package Sliding Cover Quick Reference Card Warranty Information Key features ...

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$21.44
$21.44 - $21.44
$21.44
$18.95
$18.95 - $18.95
$18.95
TI-30XIIS Scientific Calculator - Blue - Underwood Distributing Co.

TI-30XIIS Scientific Calculator - Blue

$14.95
$14.95 - $14.95
$14.95
$12.95
$12.95 - $12.95
$12.95

What's in the Box? Blue Ti-30XIIS Scientific Calculator Sliding Cover Quick Reference Card Manual Warranty Information Key features Two-line dis...

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$14.95
$14.95 - $14.95
$14.95
$12.95
$12.95 - $12.95
$12.95
TI-30XIIS Scientific Calculator - Lavender - Underwood Distributing Co.

Open-Box TI-30XIIS Scientific Calculator - Lavender

$29.95
$29.95 - $29.95
$29.95
$13.95
$13.95 - $13.95
$13.95
In stock

What's included? x1 Open Box Lavender Ti-30XIIS Scientific Calculator Lavender Sliding Cover Purchase worry free with the following benefits: Ca...

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$29.95
$29.95 - $29.95
$29.95
$13.95
$13.95 - $13.95
$13.95
Ti-84 Plus EZSpot Yellow Slide Cover - Underwood Distributing Co.

Ti-84 Plus EZSpot Yellow Slide Cover

$4.95
$4.95 - $4.95
$4.95
$3.95
$3.95 - $3.95
$3.95

Protect your Calculator with a Slide Cover Included is one (1) "EZ-Spot" yellow slide cover for the Ti-84 Plus Graphing Calculator by Texas Instrum...

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$4.95
$4.95 - $4.95
$4.95
$3.95
$3.95 - $3.95
$3.95
TI-Nspire CX Premium Teacher Software - Underwood Distributing Co.

TI-Nspire CX Premium Teacher Software

$21.95 - $49.95
$21.95 - $49.95
$21.95
$16.95 - $44.95
$16.95 - $44.95
$16.95

Next-generation teacher software Upon ordering, a software code will be emailed to you from the TI Software Portal within a few business days. Code...

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$21.95 - $49.95
$21.95 - $49.95
$21.95
$16.95 - $44.95
$16.95 - $44.95
$16.95
TI-30XIIS Scientific Calculator - Red - Underwood Distributing Co.

TI-30XIIS Scientific Calculator - Red

$19.95
$19.95 - $19.95
$19.95
$17.95
$17.95 - $17.95
$17.95
In stock

What's in the Box? Red Ti-30XIIS Scientific Calculator Sliding Cover Quick Reference Card Manual Warranty Information Key features Two-line disp...

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$19.95
$19.95 - $19.95
$19.95
$17.95
$17.95 - $17.95
$17.95
TI-34 MultiView Scientific Calculator - Underwood Distributing Co.

TI-34 MultiView Scientific Calculator

$20.99
$20.99 - $20.99
$20.99
$18.95
$18.95 - $18.95
$18.95

What's in the Box? Ti-34 MultiView Scientific Calculator Sliding Cover Quick Reference Card Manual Warranty Information Key features Four-line d...

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$20.99
$20.99 - $20.99
$20.99
$18.95
$18.95 - $18.95
$18.95
Ti-30Xa Virginia Edition Scientific Calculator - Underwood Distributing Co.

Ti-30Xa Virginia Edition Scientific Calculator

$14.99
$14.99 - $14.99
$14.99
$9.95
$9.95 - $9.95
$9.95

What's in the Box? Ti-30XA Scientific Calculator Solar School Edition Quick Reference Card Manual Warranty Information (Please note that this it...

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$14.99
$14.99 - $14.99
$14.99
$9.95
$9.95 - $9.95
$9.95
Ti-Nspire CX Slide Cover - Black - Underwood Distributing Co.
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Ti-Nspire CX Slide Cover - Black

$5.95
$5.95 - $5.95
$5.95
$4.95
$4.95 - $4.95
$4.95
Out of stock

Protect your Calculator with a Slide Cover Included is one (1) black slide cover for the Ti-Nspire CX II and CX II CAS Graphing Calculators by Texa...

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$5.95
$5.95 - $5.95
$5.95
$4.95
$4.95 - $4.95
$4.95
Sold out
Pack of 10 Ti-30XS MultiView EZSpot Slide Covers - Underwood Distributing Co.

Pack of 10 Ti-30XS MultiView EZSpot Slide Covers

$34.99
$34.99 - $34.99
$34.99
$23.95
$23.95 - $23.95
$23.95

Protect your Calculators with Slide Covers Included is ten (10) "EZ-Spot" yellow slide covers for the Ti-30XS Multiview Calculator by Texas Instrum...

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$34.99
$34.99 - $34.99
$34.99
$23.95
$23.95 - $23.95
$23.95
TI-Innovator Hub with TI LaunchPad Board - Underwood Distributing Co.

TI-Innovator Hub with TI LaunchPad Board

$67.99
$67.99 - $67.99
$67.99
$62.95
$62.95 - $62.95
$62.95

TI-Innovator™ Hub Plug-and-play and ready-to-use with TI graphing calculators, theTI-Innovator™ Hub enables students to learn basic coding and desi...

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$67.99
$67.99 - $67.99
$67.99
$62.95
$62.95 - $62.95
$62.95
TI-30XIIS Scientific Calculator - Lime Green - Underwood Distributing Co.
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Open-Box TI-30XIIS Scientific Calculator - Lime Green

$16.95
$16.95 - $16.95
$16.95
$11.95
$11.95 - $11.95
$11.95
Out of stock

What's included? Open Box Lime Green Ti-30XIIS Scientific Calculator Lime Green Sliding Cover Purchase worry free with the following benefits: C...

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$16.95
$16.95 - $16.95
$16.95
$11.95
$11.95 - $11.95
$11.95
Sold out
TI-84 Plus Graphing Calculator - Teacher's Pack of 10 (EZspot) - Underwood Distributing Co.

TI-84 Plus Graphing Calculator - Teacher's Pack of 10 (EZspot)

$1,199.95
$1,199.95 - $1,199.95
$1,199.95
$1,088.95
$1,088.95 - $1,088.95
$1,088.95

What's in the box? x10 Ti-84 Plus EZSpot Yellow Graphing Calculators x10 EZSpot Yellow Protective Slide Cover x10 Clear Battery Compartment Covers...

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$1,199.95
$1,199.95 - $1,199.95
$1,199.95
$1,088.95
$1,088.95 - $1,088.95
$1,088.95
Texas Instruments® TI-Innovator™ Breadboard Pack - Underwood Distributing Co.

Texas Instruments® TI-Innovator™ Breadboard Pack

$37.95
$37.95 - $37.95
$37.95
$32.95
$32.95 - $32.95
$32.95

TI-Innovator Breadboard Pack The TI-Innovator™ Breadboard Pack is ideal for use in exploring electronics principles. The components in this pack c...

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$37.95
$37.95 - $37.95
$37.95
$32.95
$32.95 - $32.95
$32.95
Open-Box TI-30XIIS Scientific Calculator - Raspberry - Underwood Distributing Co.
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Open-Box TI-30XIIS Scientific Calculator - Raspberry

$13.95
$13.95 - $13.95
$13.95
$10.95
$10.95 - $10.95
$10.95
Out of stock

What's included? x1 Open Box Raspberry Ti-30XIIS Scientific Calculator Raspberry Sliding Cover Purchase worry free with the following benefits: ...

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$13.95
$13.95 - $13.95
$13.95
$10.95
$10.95 - $10.95
$10.95
Sold out
TI-89 Titanium Graphing Calculator - Underwood Distributing Co.
Sold out

TI-89 Titanium Graphing Calculator

$159.95
$159.95 - $159.95
$159.95
$139.95
$139.95 - $139.95
$139.95
Out of stock

TI-89 Titanium Graphing Calculator This versatile graphing calculator features advanced functionality and 3D graphing that makes problem-solving fo...

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$159.95
$159.95 - $159.95
$159.95
$139.95
$139.95 - $139.95
$139.95
Sold out
TI-30XIIS Scientific Calculator (Bulk Packaging) - Underwood Distributing Co.

TI-30XIIS Scientific Calculator (Bulk Packaging)

$14.95
$14.95 - $14.95
$14.95
$12.95
$12.95 - $12.95
$12.95

Ti-30XIIS Scientific Calculator (Bulk Packaging) What's in the bubble pouch? Texas Instruments Ti-30XIIS Scientific Calculator Slide Cover Key fe...

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$14.95
$14.95 - $14.95
$14.95
$12.95
$12.95 - $12.95
$12.95
Charging A/C Adapter for all rechargeable Texas Instruments Graphing Calculators - Underwood Distributing Co.

Charging A/C Adapter for all rechargeable Texas Instruments Graphing Calculators

$3.99
$3.99 - $3.99
$3.99
$3.29
$3.29 - $3.29
$3.29

OEM Power Charger / Adapter for the following Texas Instruments graphing calculator models: Ti-84 Plus C Silver Edition Ti-84 Plus CE Ti-Nspire CX...

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$3.99
$3.99 - $3.99
$3.99
$3.29
$3.29 - $3.29
$3.29
TI-Nspire CX II Handheld Graphing Calculator - Underwood Distributing Co.

TI-Nspire CX II Handheld Graphing Calculator

$149.00
$149.00 - $149.00
$149.00
$136.95
$136.95 - $136.95
$136.95

What's in the Box? 1 Ti-Nspire CX II Graphing Calculator 1 Rechargeable battery (installed in calculator) 1 Slide Cover 1 Quick Reference Card 1 U...

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$149.00
$149.00 - $149.00
$149.00
$136.95
$136.95 - $136.95
$136.95
TI-15 Explorer Elementary Calculator (Bulk Packaging) - Underwood Distributing Co.

TI-15 Explorer Elementary Calculator (Bulk Packaging)

$20.99
$20.99 - $20.99
$20.99
$15.95
$15.95 - $15.95
$15.95

What's in the box? Ti-15 Calculator Manual No Slide Case Calculators come packaged in individual bubble pouches. Key features Simplify fractions...

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$20.99
$20.99 - $20.99
$20.99
$15.95
$15.95 - $15.95
$15.95
Ti-108 Elementary Calculator - Class Pack of 30 - Underwood Distributing Co.

Ti-108 Elementary Calculator - Class Pack of 30

$194.97
$194.97 - $194.97
$194.97
$145.50
$145.50 - $145.50
$145.50

What's included? x30 Ti-108 Calculators x3 Cardboard Storage Boxes with foam inserts and handle Quick Reference Card Warranty Information Key fea...

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$194.97
$194.97 - $194.97
$194.97
$145.50
$145.50 - $145.50
$145.50
Texas Instruments Graphing Calculator Replacement Quick Reference Guide - Underwood Distributing Co.

Texas Instruments Graphing Calculator Replacement Quick Reference Guide

$2.29
$2.29 - $2.29
$2.29
$1.95
$1.95 - $1.95
$1.95
In stock

Replacement Texas Instruments Graphing Calculator Quick Reference Guide Lost the physical copy of your TI Graphing Calculator Quick Reference Guide...

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$2.29
$2.29 - $2.29
$2.29
$1.95
$1.95 - $1.95
$1.95

TI-30XIIS Scientific Calculator

$14.95
$14.95 - $14.95
$14.95
$12.45
$12.45 - $12.45
$12.45

The TI-30XIIS Scientific Calculator What's in the Box? Ti-30XIIS Scientific Calculator Sliding Cover Quick Reference Card Manual Warranty Informat...

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$14.95
$14.95 - $14.95
$14.95
$12.45
$12.45 - $12.45
$12.45
TI-15 Explorer Elementary Calculator - Teacher's Pack of 10 - Underwood Distributing Co.

TI-15 Explorer Elementary Calculator - Teacher's Pack of 10

$204.35
$204.35 - $204.35
$204.35
$153.95
$153.95 - $153.95
$153.95

What's in the box? x10 Ti-15 Calculators Slide Covers NOT Included Cardboard Storage Box with foam inserts and handle Quick Reference Card Warrant...

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$204.35
$204.35 - $204.35
$204.35
$153.95
$153.95 - $153.95
$153.95
ti 84 plus ce lifestyle image

Trusted by Teachers, Loved by Students

Accepted on major College Board exams worldwide, TI calculators are perfect for middle school and high school students. Plus, with online and computer versions of TI's most popular models, students can practice and learn anywhere.

Finding the right calculators for your classroom shouldn't break your budget. That's why we offer wholesale, competitive pricing on all Texas Instruments products. From individual calculators to larger classroom sets, we can help find the right model for your budget and needs.

Request a Quote to Order

FAQs

Got a question? We are here to answer.

Yes! We offer quantity discounts on many of the products we carry. Contact our team for a custom quote here.

We sell all of the Texas Instruments calculators and accessories, including:

All new TI calculators are backed by a 1-Year Limited Warranty. If you experience an issue, our team is here to walk you through the warranty process.

Teacher Packs include a set of 10 calculators, while Class Packs include 30 calculators (three Teacher Packs) for larger classroom needs.

Yes, Underwood Distributing Co. offers tax-exempt options for qualifying institutions. Please email your exemption certificate to hello@underwooddist.com or fill out our tax-exempt account request.

We offer speedy and secure shipping on all orders. Most orders ship within 1 business day and arrive in 1-3 business days.

Stock Up Your Classroom with Texas Instruments

Looking for affordable, reliable calculators for your classroom? Purchase a Texas Instruments calculator today!

More FAQs Contact Us

Let customers speak for us

from 194 reviews
Working with Underwood was a great experience

Working with Underwood was a great experience. My sales rep was responsive, patient and incredible helpful as I explored my options and refined my order. Shipping was also very quick and my products arrived in great shape. This is the second major order I've placed with Underwood and I would not hesitate to order from them again.

Zack Stockbridge
Underwood Distributing Co.
I was very impressed and pleased with my experience with Underwood Distribution Company

I was very impressed and pleased with my experience with Underwood Distribution Company. They had the product that I was looking for and at a reasonable price. I found the check out process to be straightforward and easy. As for the shipping, it was exceptional, as my package arrived on time and it was well packed. I am looking forward to conducting future business with Underwood Distribution Company.

Justin Barnhart
Underwood Distributing Co.
Graphing Calculator purchase was wonderful

I am a math teacher in Ogden, Utah. We have ordered from Underwood twice now, buying TI-84 Plus CE graphing calculators both times. They were easy to purchase, a great price compared to others, and arrived quickly. No complaints here! Definitely recommend!

Anonymous
Underwood Distributing Co.
Responsive and quick service!

They answered my phone calls and emails immediately, were super helpful and quick with quotes and orders, and delivered the products within days of placing our order. Everything arrived quickly and perfectly. This was a great experience.

Anonymous
Underwood Distributing Co.
Always prompt with fast shipping!

I have ordered calculators from Underwood Distributing for so many years that I have last track of the time. They are always quick to answer my emails and they get the product I need shipped out asap! 10/10 recommend Underwood!

Amy S.
Underwood Distributing Co.
Fantastic company and product

Fantastic company and product. Stellar to work with year after year.

RE
Underwood Distributing Co.
Wonderful source for TI calculator add ons

The Ti 84 launchpad board and RGB led board are hard to find new for just a single user and definitely not at such a good price. Prompt shipping and everything arrived well packed. Seriously great source if you are looking for small quantity at great value. Thanks!

Mark Ausbeck
Underwood Distributing Co.
Calculators for classroom

I teach middle school and wanted reliable calculators, at a good priced, and in a distinct color so everyone knows who they belong to. They were well-packed and arrived quickly! I am so pleased with my purchase and will keep this company in mind for future needs.

Mandee Pontasch
Underwood Distributing Co.
Ti-84 calculator to Ti-84 calculator Data Transfer Cable - THIS IS IT!!!

I have be searching for this cable for over a year! I went to Circuit City, Best Buy and Amazon. NONE of them had this cable. FINALLY I found this cable and I bought in on a desperate hope that it would be the right cable. IT IS!!!! THIS CABLE WORKS FOR CALCULATOR to CALCULATOR DATA TRANSFER!!!

Elizabeth Mumper
Underwood Distributing Co.
Timeliness and Easy

My current order of graphing calculators was placed and ordered so quickly. Underwood Distributing Company made this process easy and I appreciate the timeliness along with the great price. THANKS!

FORT ZUMWALT SCHOOL DISTRICT
Underwood Distributing Co.
Calculators for classroom

Underwood Distributing was so easy to work with on getting calculators for my classroom! They were so nice and kept me up-to-date with the status of my order. I received my order very quickly, and I am very happy with the purchase.

Christina Ladner
Underwood Distributing Co.
Ti-84 Calculators

I am very satisfied with the promptness and diligence in which my order was processed. The teachers were able to receive their needed supplies on time.

Pat Guerrero-Cook
Underwood Distributing Co.
TI-84 Plus CE EZSpot Graphing Calculator

I needed to replace a calculator from a Teacher Pack. Found the perfect replacement here. It works great. Exactly what I needed. Delivery was very quick.

Rebecca F.
Underwood Distributing Co.
Excellent company

Great communication, Karen and Jacob took good care of us. Shipping was fast. Product is excellent quality. Thank you. -Arnold

Arnold Chavira
Underwood Distributing Co.

Works perfectly! Couldn’t find these cables anywhere but once I saw them so reasonably priced here I couldn’t say no! More than happy with my purchase! Thank you!

Rachel
Unit to Unit Transfer Cable

What customers think about the store

This store specializes in calculators and accessories with excellent customer service, fast shipping, competitive pricing, and reliable product quality. Customers consistently praise their quick delivery, helpful staff, and ability to find hard-to-find items a...

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Why Underwood Distributing Co.?

Why Underwood Distributing Co.?

At Underwood Distributing, we understand the critical role calculators and other educational electronics play in empowering students and enhancing math education. We offer a wide selection of trusted brands, competitive pricing and bulk discounts, dedicated customer support, and reliably fast shipping that you can count on.

Join the countless educators who trust Underwood Distributing to deliver the things you count on.

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