By Iam Jaebi Updated Aug 30, 2022

Scientific calculators, also called graphing calculators, are essential tools for students beginning middle school. These devices expand upon basic calculators, offering advanced functions that support learning in algebra, trigonometry, calculus, and more. Texas Instruments (TI) calculators are frequently endorsed by school districts, as the TI line meets the approval standards for national and state assessments. Regardless of brand, all graphing calculators operate on the same fundamental principles.

Step 1

Ensure the equation is in the form "y = ". If not, rearrange it to isolate y before proceeding.

For example, take 2x + 3y = 6. Subtract 2x from both sides: 3y = -2x + 6. Divide by 3: y = -(2/3)x + 2.

Step 2

Press the "Y=" button on your graphing calculator. You’ll see a list of lines beginning with Y = where you can input your equation.

Step 3

Enter the equation exactly as it appears. Be sure to use the correct signs for each term. If you need a fraction, enclose it in parentheses. Use the X² button for squared terms; for higher exponents, use the ^ symbol (e.g., X^3, X^6).

Step 4

Press Graph. Your calculator will automatically plot the line.

TL;DR (Too Long; Didn’t Read)

Not all scientific calculators can graph. Verify your device’s manual. If it lacks a "Y=" button, it isn’t capable of graphing.