Best Graphing Office Calculators Under $100 (2026)
We ranked graphing calculators under $100 by a value score combining features, display, power type, and brand reliability
The Verdict
- Best Overall: Texas Instruments TI-84 Plus CE Graphing Calculator, Black — Best for high-resolution users: color, high-resolution display improves graph clarity for detailed office work
- Best Value: Franklin Scientific Graphing Calculator with 3 modes — Best budget pick: three operating modes provide core graphing and scientific functions at a low cost
- Best Premium: Texas Instruments TI-89 Advanced Graphing Calculator (Renewed) — Best for advanced symbolic work: renewed unit offers advanced functions and a textbook-style display for study
This roundup covers graphing office calculators under $100 selected for classroom, engineering, and general office use. Picks were chosen by value score using features, display type, power source, and brand reliability
Top Picks
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1
Best Overall Texas Instruments TI-84 Plus CE Graphing Calculator, Black
Best for high-resolution users: color, high-resolution display improves graph clarity for detailed office work
Graphing calculator with full-color backlit display for advanced equations and graphing. Customers cite ease of use, color display, and time-saving features as positives
- full-color backlit high-res display
- graphing calculator for advanced equations
- easy-to-use interface
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2
NumWorks Graphing Calculator
Best for modern workflows: rechargeable battery and multilingual support suit frequent use and international settings
Graphing calculator with student-friendly software. Includes rechargeable battery and multiple languages. Customers note ease of use and strong math capabilities, with some concerns about reliability and value
- easy-to-use interface
- long battery life
- multilingual support
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3
Best Value Franklin Scientific Graphing Calculator with 3 modes
Best budget pick: three operating modes provide core graphing and scientific functions at a low cost
Graphing scientific calculator with three operating modes and built-in graphing capabilities. Useful for algebra to calculus and classroom visualization. Customer insight: mixed/positive feedback on versatility
- three operating modes
- built-in graphs
- protective cover
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4
Texas Instruments TI-83 Plus Graphing Calculator (Certified Renewed)
Best for calculus tools on a budget: reliable feature set aimed at engineering and advanced math tasks
Graphing calculator for calculus, engineering, trig, and financial functions with split-screen graphs and tables. LCD 64 x 96 resolution for clear display. Customer sentiment unavailable
- split-screen graph/table
- 64x96 LCD clarity
- certified renewed trusted device
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5
Franklin graphing calculator with 3 modes
Best classroom starter: three-mode functionality covers basic graphing and scientific needs in educational settings
A scientific graphing calculator with 3 operating modes and built-in graphs. Helps visualize equations and solve complex problems across algebra to calculus. Customer insight: mixed signals overall due to unclear sentiment
- 3 operating modes
- built-in graphing
- protective cover included
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6
Best Premium Texas Instruments TI-89 Advanced Graphing Calculator (Renewed)
Best for advanced symbolic work: renewed unit offers advanced functions and a textbook-style display for study
Graphing calculator with memory for functions, programs and data. Pretty Print displays expressions like textbooks and high-resolution split-screen views aid analysis. Customer notes reliable performance for integrals and good refurbished quality
- symbolic math capabilities
- textbook-like display
- refurbished model quality
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7
Texas Instruments TI-83 Plus Graphing Calculator (Renewed)
Best renewed option for students: dependable graphing capabilities in a renewed package for classroom use
Graphing calculator with calculus, engineering, trigonometric, and financial functions. Split-screen graphs and tables aid tracing while scrolling. Customer note: condition described as excellent
- split-screen graphing & tables
- renewed condition
- clear LCD resolution