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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-84 Evo EZSpot Graphing Calculator - Single Unit

Regular price
Sale price $144.95 Regular price $159.99

Texas Instruments Graphing Calculator Replacement Quick Reference Guide

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Sale price $1.95 Regular price $2.29
Discontinued

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

Regular price
Sale price $3.29 Regular price $3.99

Ti-30XIIS Scientific Calculator Slide Cover - 10 Pack

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Sale price $26.95 Regular price $34.99

TI-Innovator™ Rover

Regular price
Sale price $134.95 Regular price $144.95

Pack of 10 Ti-Nspire CX Slide Covers (EZSpot)

Regular price
Sale price $32.95 Regular price $49.50

TI-84 Evo Graphing Calculator - Teal

Regular price
Sale price $144.95 Regular price $159.99

Single Ti-30XS MultiView EZSpot Slide Cover

Regular price
Sale price $3.95 Regular price $5.95
Free ShippingTop Seller

TI-Nspire CX II CAS Graphing Calculator - Teacher's Pack of 10

Regular price
Sale price $1,577.95 Regular price $1,850.00

Texas Instruments® TI-30XS MultiView™ Class Pack of 30 - EZSpot Yellow

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Sale price $469.95 Regular price $600.00
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Texas Instruments Ti-84 Plus CE Graphing Calculator Class Pack

Regular price
Sale price $4,349.95 Regular price $4,499.95

TI-84 Plus EZ-Spot Slide Cover - Pack of 10

Regular price
Sale price $32.95 Regular price $49.50

Pack of 10 Ti-108 Slide Covers

Regular price
Sale price $23.95 Regular price $34.99

TI-15 Explorer Elementary Calculator - Retail Unit

Regular price
Sale price $15.95 Regular price $20.99

TI Bluetooth® Adapter

Regular price
Sale price $23.95 Regular price $24.50

TI-84 Evo Graphing Calculator - Mint

Regular price
Sale price $144.95 Regular price $159.99

TI-84 Evo Online Calculator

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Sale price From $9.49 Regular price $22.95
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Ti-84 Plus CE Fractal Frost Teacher's Bundle

Regular price
Sale price $1,384.95 Regular price $1,550.00

Single Ti-34 MultiView EZSpot Slide Cover

Regular price
Sale price $3.95 Regular price $5.95

TI-503 SV Basic Calculator

Regular price
Sale price $3.95 Regular price $7.95

Texas Instruments Ti-84 Evo Yellow Slide Cover - 10 Pack

Regular price
Sale price $32.95 Regular price $49.50

TI-84 Evo Graphing Calculator - Lavender

Regular price
Sale price $144.95 Regular price $159.99
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Ti-84 Plus CE Rose Gold Teacher's Bundle

Regular price
Sale price $1,384.95 Regular price $1,550.00

Replacement Battery Cover for Ti-84 Plus CE EZSpot Graphing Calculator

Regular price
Sale price $13.99 Regular price $19.99
Free ShippingTop Seller

TI-Nspire CX II Graphing Calculator - Teacher's Pack of 10

Regular price
Sale price $1,549.95 Regular price $1,800.00

Ti-84 Evo Calculator Plushie

Regular price
Sale price $39.99 Regular price $69.99

Single Ti-84 Evo Yellow Slide Cover

Regular price
Sale price $3.95 Regular price $5.95

TI-84 Evo Graphing Calculator - Raspberry (Metallic)

Regular price
Sale price $144.95 Regular price $159.99

TI-84 Evo Graphing Calculator - Pink

Regular price
Sale price $144.95 Regular price $159.99

Single Ti-15 Elementary Calculator Slide Cover

Regular price
Sale price $2.89 Regular price $5.95

Ti-Navigator V2 "Hat" (Single Replacement Unit)

Regular price
Sale price $49.99 Regular price $59.99

Texas Instruments® TI-Innovator™ RGB Array

Regular price
Sale price $14.95 Regular price $19.04

Texas Instruments Calculator Carrying Case (Tote)

Regular price $19.95
Sale price Regular price

Ti-84 Plus CE Python Graphing Calculator - Peach Pi

Regular price
Sale price $137.95 Regular price $149.95
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TI-84 Plus EZSpot Graphing Calculator - Class Pack of 30

Regular price
Sale price $3,449.95 Regular price $4,017.00

Pack of 10 Ti-34 MultiView EZSpot Slide Covers

Regular price
Sale price $26.95 Regular price $34.99
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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