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Collection: 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.

169 products

Top Seller

TI-30Xa Scientific Calculator

Regular price
Sale price $9.95 Regular price $13.99

TI-30XIIS Scientific Calculator - Blue

Regular price
Sale price $12.95 Regular price $17.00

Ti-84 Plus EZSpot Yellow Slide Cover

Regular price
Sale price $3.95 Regular price $4.95

TI-Nspire CX II EZSpot Graphing Calculator - Replacement Unit

Regular price $149.95
Sale price Regular price

TI-SmartView MathPrint Software

Regular price
Sale price From $11.95 Regular price $16.95

TI-34 MultiView Teacher's Pack of 10 - EZSpot Yellow

Regular price
Sale price $199.95 Regular price $250.00
Top Seller

TI-36X Pro Scientific Calculator

Regular price
Sale price $19.95 Regular price $25.00

TI-Nspire CX II Online Calculator

Regular price
Sale price From $14.95 Regular price $19.95
Top Seller

TI-30XIIS Scientific Calculator

Regular price
Sale price $12.95 Regular price $17.00

TI-30XIIS Scientific Calculator - Red

Regular price
Sale price $17.95 Regular price $19.95

TI-34 MultiView Scientific Calculator

Regular price
Sale price $19.95 Regular price $25.00

TI-Nspire CX Premium Teacher Software

Regular price
Sale price From $17.95 Regular price $21.95

Ti-30Xa Virginia Edition Scientific Calculator

Regular price
Sale price $9.95 Regular price $14.99

TI-36X Pro Scientific Calculator (Bulk Packaging)

Regular price
Sale price $19.95 Regular price $25.00

Ti-84 Plus CE Python Graphing Calculator - Rose Gold

Regular price
Sale price $119.95 Regular price $149.95

TI-1795 SV Basic Calculator

Regular price
Sale price $9.95 Regular price $13.99

Pack of 10 Ti-30XS MultiView EZSpot Slide Covers

Regular price
Sale price $26.95 Regular price $34.99

Ti-108 Elementary Calculator - Class Pack of 30

Regular price
Sale price $149.95 Regular price $210.00

USB to Mini USB Cable (5 ft Length)

Regular price
Sale price $2.99 Regular price $4.99

Ti-30XIIS Scientific Calculator Class Pack of 30

Regular price
Sale price $399.95 Regular price $510.00

TI-Innovator Hub with TI LaunchPad Board

Regular price
Sale price $64.95 Regular price $67.99
Free ShippingTop Seller

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

Regular price
Sale price $1,139.95 Regular price $1,339.00

TI-30XIIS Scientific Calculator (Bulk Packaging)

Regular price
Sale price $12.95 Regular price $17.00

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

Regular price
Sale price $159.95 Regular price $204.35

Ti-84 Plus Graphing Calculator

Regular price
Sale price $114.95 Regular price $139.00

Battery Cover for Ti-84 Plus CE Graphing Calculator

Regular price
Sale price $12.99 Regular price $15.99

Texas Instruments TI-Nspire TI-84 Plus Key Pad Touchpad

Regular price
Sale price $7.99 Regular price $14.99

Ti-84 Plus CE Python Graphing Calculator - Fractal Frost

Regular price
Sale price $119.95 Regular price $149.95
Free ShippingTop Seller

TI-84 Evo Graphing Calculator - Teacher's Pack of 10 (EZ-Spot)

Regular price
Sale price $1,439.50 Regular price $1,675.00

TI-84 Evo Graphing Calculator

Regular price
Sale price $144.95 Regular price $159.99

Replacement Battery for the Ti-84 Evo Graphing Calculator

Regular price
Sale price $6.95 Regular price $9.95

Ti-30XIIS Scientific Calculator Slide Cover

Regular price
Sale price $3.95 Regular price $4.95

Graphing Calculator Connector Cable (Legacy Connector)

Regular price
Sale price $1.99 Regular price $2.90

TI-Nspire CX II Handheld Graphing Calculator

Regular price
Sale price $142.95 Regular price $165.00

Texas Instruments® TI-Innovator™ Breadboard Pack

Regular price
Sale price $34.95 Regular price $37.95

TI-15 Explorer Elementary Calculator (Bulk Packaging)

Regular price
Sale price $15.95 Regular price $20.99
Underwood Distributing Co.

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.

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Stock Up Your Classroom with Texas Instruments

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

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Underwood Distributing Co.

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Thanks to educators like you who have chosen Underwood Distributing Co. we've earned a spot on the prestigious Inc. 5000 list of America's fastest-growing private companies for both 2025 and 2026. Your trust in us has not only transformed classrooms but also fueled our expansion to better serve schools nationwide. Join the community of teachers making the switch and discover why we're the go-to source for quality calculators and other educational electronics at heavily discounted prices.

Join the Thousands of Teachers Who Purchase from Underwood Distributing Co.

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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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