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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

Texas Instruments Charging / Docking Station Replacement Power Cord Bundle

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Sale price $22.95 Regular price $44.98
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TI-Nspire CX II Graphing Calculator - 10-Pack (EZ-Spot)

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Sale price $1,449.95 Regular price $1,675.00
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TI-84 Evo Graphing Calculator - 10 Pack (EZ-Spot)

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Sale price $1,419.95 Regular price $1,599.95
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Refurbished Ti-Nspire CX EZ-Spot Teacher's Pack of 10

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Sale price $749.95 Regular price $1,499.95
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Open-Box TI-Nspire CX II EZSpot Graphing Calculator

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Sale price $124.95 Regular price $169.95
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Open-Box TI-Innovator I/O Module Pack

Regular price $23.95
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Open-Box TI-Innovator Rover

Regular price $119.95
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Refurbished TI-Nspire CX Docking Station

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Sale price $69.99 Regular price $139.99

Texas Instruments Hall Sensor Module - 5 Pack

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Sale price $35.95 Regular price $39.99
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Refurbished TI-Navigator Access Point (V2)

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Sale price $199.95 Regular price $299.95
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TI-Nspire CX II Graphing Calculator - Class Pack of 30

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Sale price $4,699.95 Regular price $5,400.00

TI-10 Elementary Calculator - Class Pack of 30

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Sale price $379.95 Regular price $449.95

Case for Ti-Navigator Hats (for 10 units)

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Sale price $29.99 Regular price $39.95

Texas Instruments® TI-Innovator™ White LED Module - 5 Pack

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Sale price $12.95 Regular price $16.95

Texas Instruments® TI-Innovator™ Water Pump - 5 Pack

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Sale price $49.95 Regular price $53.95

Texas Instruments® TI-Innovator™ Vibration Motor Module - 5 Pack

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Sale price $22.95 Regular price $27.95

TI-Innovator™ Ultrasonic Ranger Module

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Sale price $18.95 Regular price $25.95

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

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Sale price $124.95 Regular price $131.40

TI-Innovator™ TI Led Cables Pack

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Sale price $36.95 Regular price $44.99

Texas Instruments® TI-Innovator™ Temperature Sensor - 5 Pack

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Sale price $17.95 Regular price $19.95

Texas Instruments® TI-Innovator™ Temperature and Humidity (DHT) Module - 5 Pack

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Sale price $33.49 Regular price $37.95

Texas Instruments® TI-Innovator™ Moisture Module - 5 Pack

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Sale price $20.95 Regular price $25.95

Texas Instruments® TI-Innovator™ Light Sensor Module - 5 Pack

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Sale price $16.95 Regular price $21.95

Texas Instruments® External Battery for TI-Innovator™ Hub

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Sale price $15.95 Regular price $19.95

CBL 2 Data Collection Device

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Sale price $178.95 Regular price $199.95
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.

We ❤️ Educators

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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