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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

TI-Innovator I/O Module Pack

Regular price
Sale price $26.95 Regular price $30.95

TI-10 Elementary Calculator (Bulk Packaging)

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Sale price $12.49 Regular price $17.49

Texas Instruments Graphing Calculator Manuals

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Sale price $12.95

TI-84 Plus EZSpot Graphing Calculator - Single Replacement Unit

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Sale price $117.95 Regular price $119.95

TI-34 MultiView Class Pack of 30 - EZSpot Yellow

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Sale price $599.95 Regular price $750.00

Replacement TI-Navigator Access Point (V2)

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Sale price $299.99 Regular price $399.99

TI-Nspire CX Docking Station

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Sale price $129.95 Regular price $160.95

TI-83 Plus Graphing Calculator

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Sale price $99.95 Regular price $129.00

Texas Instruments CBR 2

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Sale price $104.95 Regular price $130.00

TI-Rover BT

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Sale price $139.95 Regular price $168.00

TI-84 Evo Graphing Calculator - Silver (Metallic)

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Sale price $144.95 Regular price $159.99

Ti-84 Evo Protective Slide Cover

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Sale price $13.95 Regular price $14.95

TI-Nspire CX II CAS Online Calculator

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Sale price From $13.95 Regular price $15.00
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Refurbished Ti-Navigator V2 "Hat" (Single Replacement Unit)

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Sale price $39.99 Regular price $79.99
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TI-Nspire CX II CAS Graphing Calculator - Class Pack of 30

Regular price
Sale price $4,769.95 Regular price $5,550.00

TI-Nspire CX II CAS Handheld Graphing Calculator w/ Teacher Software

Regular price
Sale price $215.95 Regular price $260.00

10-User TI-Nspire CX Navigator System

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Sale price $1,229.95 Regular price $1,425.00

TI-Nspire CX II Handheld Graphing Calculator w/ Teacher Software

Regular price
Sale price $205.95 Regular price $230.00
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TI-84 Evo Graphing Calculator Teacher's Bundle of 10 (Assorted Colors)

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Sale price From $1,329.95 Regular price $1,499.95
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TI-84 Evo Graphing Calculator Class Pack

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Sale price $4,349.95 Regular price $5,025.00
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TI-84 Plus CE Graphing Calculator - 10-Pack (EZ-Spot)

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Sale price $1,369.95 Regular price $1,550.00

Refurbished TI-Nspire CX II EZSpot Graphing Calculator

Regular price
Sale price $114.95 Regular price $169.95

TI-15 Explorer Elementary Calculator - Class Pack of 30

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Sale price $489.95 Regular price $613.05

Texas Instruments TI-Nspire Light Blue School Property TI-84 Plus Key Pad

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Sale price $7.99 Regular price $14.99

Texas Instruments TI-Nspire Touchpad Black School Property Key Pad

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Sale price $7.99 Regular price $14.99

Texas Instruments TI-Nspire Touchpad Light Blue School Property Key Pad

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Sale price $7.99 Regular price $14.99

10-User TI-Nspire CX Navigator Add-On

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Sale price $799.95 Regular price $930.00

30-User TI-Nspire CX Navigator System

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Sale price $2,149.95 Regular price $2,500.00

Replacement Back-Up Battery Compartment Cover for Ti-84 Plus EZSpot Graphing Calculator

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Sale price $2.99 Regular price $3.99

Pack of 10 Ti-15 Elementary Calculator Slide Covers

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Sale price $24.95 Regular price $34.99
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TI-83 Plus Graphing Calculator - Teacher's Pack of 10

Regular price
Sale price $999.95 Regular price $1,290.00

TI-1706 SV Basic Calculator

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Sale price $7.95 Regular price $10.00

Texas Instruments® TI-Innovator™ Servo Motor - 5 Pack

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Sale price $49.95 Regular price $59.95

MOSFET Module - 5 Pack

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Sale price $27.95 Regular price $32.95

TI Calculator Sticker Pack of 6 Stickers

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Sale price $8.99 Regular price $15.99

Texas Instruments "Math is My Happy Place" T-Shirt

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Sale price $19.99 Regular price $39.99
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.

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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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