Trigonometry students need a calculator with reliable scientific functions. The calculator should support sine, cosine, tangent, inverse trig functions, radians, degrees, roots, exponents and fractions. A scientific calculator is usually enough, while advanced students may prefer a graphing calculator.

Best Features

Trig functions: Required for sine, cosine and tangent calculations.
Degree/radian mode: Important for correct answers.
Natural display: Helps students read expressions clearly.
Durable keys: Useful for frequent school use.

Frequently Asked Questions

Quick answers to common questions about this product category.

A scientific calculator is best for most trigonometry students because it includes sine, cosine, tangent and inverse trig functions.

Not always. A scientific calculator is enough for many courses, but graphing calculators help with visualizing trig functions.

Comparison Table

Model	Brand	Action
Sharp EL-W516TBSL Advanced Scientific Calculator with WriteView™ 4 Line Display & Solar Power	Sharp	Details View at Retailer
Texas Instruments BA II Plus Professional Financial Calculator	Texas Instruments	Details View at Retailer
Texas Instruments TI-84 Plus CE Color Graphing Calculator, Mint	Texas Instruments	Details View at Retailer
Sharp 12-Digit Print Calculator Desktop Size Adding Machine, Perfect for Everyday Use and Office, Bright, Large Easy-to-Read Numbers on Both the Display and the Two-Color Printed Tape (EL2196BL)	Sharp	Details View at Retailer
Casio FX-9910CW-PK-W-IT Scientific Calculator	Casio	Details View at Retailer
Casio fx-CG100 ClassWiz Color Graphing Calculator with 3D Graph & Python \| Large High-Res Display, Basic & Advanced Functions \| Ideal for Exams, STEM, Programming & Advanced	Casio	Details View at Retailer
Casio fx-300ES Plus 2nd Edition - Standard Scientific Calculator \| 262 Functions, Natural Textbook Display \| Ideal for Middle School, High School Math, Statistics & Algebra \| Blue	Casio	Details View at Retailer
CATIGA Financial Calculator Business Analyst Master, TVM, IRR, NPV, Cash Flow, Amortization & Break-Even, Perfect for Real Estate, Banking, Accounting & Finance Professionals, 10-Digit LCD, CF-300	CATIGA	Details View at Retailer
Scientific Calculator, w/Equation Recall, 3-1/5" x 6-1/10" x 3/4", Sold as 1 each	Texas Instruments	Details View at Retailer
Scientific Calculators with Graphing Calculator, iPepul Desktop Math Calculator for College Students, 10 Modes/ 4 Graphing Functions, School Supplies for Middle High School Teachers Office	iPepul	Details View at Retailer
Casio fx-55PLUS Fraction Calculator – Elementary/Middle School Math Made Easy \| Fractions, Mixed Numbers, Simplification \| Great for Classroom Learning	Casio	Details View at Retailer
Victor 1190 Executive Desktop Calculator, 12-Digit LCD	Victor	Details View at Retailer

Top Picks

Buying Notes

Trigonometry Calculator Buying Guide

Best Features

Frequently Asked Questions

What calculator is best for trigonometry?

Do I need a graphing calculator for trigonometry?

Comparison Table