Product Comparison: Casio FX-CP400 vs Texas Instruments TI-Nspire CX CAS

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General Specifications
Texas Instruments
TI-Nspire CX CAS
About the Product
Graphic calculator with computer algebra system and high-resolution and touch-sensitive color display. The latest model in the ClassPad series offers intuitive operation and provides clear math lessons.
The TI-Nspire™ CX CAS provides algebraic capability to symbolically solve equations, factor and expand variable expressions, complete the square, find antiderivatives, computer limits and exact solutions in irrational forms, making it a robust hands-learning tool that satisfies math and science curriculum needs from middle school through college.
Size & Weight
8.3 in.
7.5 in.
8.11 in.
3.42 in.
3.5 in.
0.62 in.
11.11 oz.
7.04 oz.
What customers say about "Size & Weight"
Casio FX-CP400 Graphic Calculator
  • Its sized to fit in your pocket, backpack, or briefcase.
  • It's a decent size, visually pleasing and can do anything.
  • It is a good size to carry around school.
  • Nice size buttons for big thumbs.
  • Very light weight with a nice cover.
Texas Instruments TI-Nspire CX CAS Graphing Calculator
  • Great size and weight.
  • The calculator is thin for its class, and very light weight.
  • The device isn't weighted very well - it is top-heavy which makes it feel as if it will slip out of your hand.
Display Type
Display Size
4.8 in (528 x 320 pixels)
3.5 in (320 x 240 pixels)
Touch Screen
Display Resolution
125 dpi
What customers say about "Display"
Casio FX-CP400 Graphic Calculator
  • Very good ease of use, nice large screen.
  • This is a great calculator - light, easy to use, big screen, math print.
  • The screen is very good quality and it makes it easy to see.
  • Very good, large and above all high-resolution display.
  • An excellent screen on which you can easily see the graphs.
Internal Memory
24 MB
100 MB
512 KB
64000 KB
PC Connectivity
Battery Type
4 x AAA Batteries
Rechargeable Battery
Battery Life
4 days
Pre-Loaded Applications
eActivity, Statistics, Spreadsheet, Graphing, Geometry, Finance, Physics, Differential, Sequence Graphing, Algebra
Calculator, Graphing, Geometry, Lasts and spreadsheets, Data and statistics, Notes, Vernier DataQuest™ Application
Ergonomic design, Strong Build And Design
Computer Algebra System (CAS) capabilities, TI-Nspire™ CX CAS Student Software, Recharge, Don’t Replace For Years, A Complete Learning Resource, Enter Values In Proper Notation, Make Real-World Connections, Dynamic Linking, Multiple Representations
What customers say about "Features"
Casio FX-CP400 Graphic Calculator
  • The battery life is amazing!
  • This has a lot of features.
  • Many useful functions and features.
  • Calculations are fast and a graphical plot of the result is also great for understanding the answer as well as a numerical value.
  • All functions work fine.
Warranty / Certifications
Manufacturer Warranty
1 year(s)
1 year(s)
Other Information

Other reviews