TI-84 Style Graphing Calculator
Explore graphing and supported math functions with a browser-based calculator. Check the tool page for its current capabilities.
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PRACTICAL TOOLS. CLEAR ANSWERS.
Make numbers
Make numbers
work for you.
Explore free online calculators for math, graphing, science and everyday calculations. Use practical tools, follow clear examples, and understand the results.
Try “TI-84”, “graphing”, “percentage” or “scientific”.
OLCALC · MATH MODE
EXAMPLE FUNCTION
f(x) = x² − 4
✓ Roots: x = −2, 2
Made for clarityTools + helpful examples
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Find the right calculator
Start with a tool below or search by name, subject or task. The library is designed to grow as new tools are developed.
Scientific Calculator
A planned tool for trigonometry, logarithms, powers and other common scientific calculations.
In developmentComing soon
Fraction Calculator
A planned tool for simplifying fractions and calculating with common fraction operations.
In developmentComing soon
Percentage Calculator
A planned tool for percentages, percentage change, discounts and proportional comparisons.
In developmentComing soon
Equation Solver
A planned tool to solve supported equations and explain the steps behind the result.
In developmentComing soon
Unit Converter
A planned tool for common length, weight, temperature, volume and other unit conversions.
In developmentComing soon
No matching tools found. Try a different search term or choose another category.
Start with graphing
Explore functions with the TI-84 style calculator
Open the featured calculator to see supported graphing and math features, read practical examples, and learn how to interpret your results.
Explore the TI-84 calculatorGraphing basicsLearn how equations translate into curves.
Clear examplesFollow worked examples for common tasks.
Understand settingsReview angle modes and graph windows.
Know the limitsCheck which functions the tool supports.
Learn with examples
Guides that make calculations clearer
Short, practical explanations can help you understand the method as well as the answer.
How to Graph a Quadratic Function
Learn how to enter a quadratic expression, choose a viewing window and identify its intercepts.
Read the guide →Degrees vs. Radians: What Is the Difference?
Understand angle units and why the correct mode matters when evaluating trigonometric expressions.
Read the guide →How to Find the Intersection of Two Graphs
Explore what graph intersections mean and how to check a solution using algebra.
Read the guide →Publishing note: create these guide URLs only after each article has been written and reviewed. Until then, remove or disable the links rather than leaving empty pages.
About OLCalc
Useful tools, explained clearly
OLCalc is being built as an independent collection of online calculators and practical learning resources. Our goal is to make common calculations easier to complete and easier to understand.
Each published tool should explain what it does, how to use it, and any important limitations. We aim to keep navigation straightforward and make the experience usable on desktop and mobile devices.
Practical functionalityClear instructionsMobile-friendly design
Quick answers
Frequently asked questions
A few things to know when exploring OLCalc.
Are OLCalc tools free to use?
OLCalc is intended to provide free access to its published tools. Each tool page should clearly state any feature limits or requirements that apply.
Do I need to install an app?
Browser-based tools are designed to work on a supported web browser without a separate installation. Device and browser compatibility should be checked on each tool page.
Is OLCalc affiliated with Texas Instruments?
No. OLCalc is an independent website and is not affiliated with or endorsed by Texas Instruments. Product names are used only to describe relevant calculator styles or compatibility where applicable.
Can I rely on every result for important decisions?
Always review the method, assumptions and limitations of a calculation. For consequential academic, financial, health or professional decisions, verify results with an appropriate authoritative source.