Texas Instruments TI-Nspire Graphing calculator

General specifications
Type Graphing calculator
Production years 2007 - -
New price USD 180
Operating system Nucleus Operating System
Chipset/CPU ARM @ 150 MHz (unconfirmed)
I/O mini-USB, docking connector
Performance index 840
Entry method Algebraic with precedence
Precision 13 digits
Advanced functions

Forensic result 8.9999999817691

Graphing calculator: Texas Instruments TI-Nspire
Programming model Formula programming
Programming features

Program display Formula
Program editing Formula entry
Programming 32 MB
Data 32 MB
Type LCD
Size 320240 pixels
LWH 200100 mm
Weight 300 g
Batteries 4AAA
External power -
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The Nspire series is the most recent TI creation. It features a huge screen, which even supports grayscales, 32 MB of flash RAM and an interchangable keyboard.

The standard keyboard takes some getting used to, because the keys are all very tight together. But the good thing about this layout is I don't have to press some alpha or shift key every time I need a text character. An optional TI-84 keyboard is available. When this keyboard is attached, the Nspire behaves exactly like its predecessor.

The Nspire has 5 applications installed when new. Surprisingly one of the applications is a calculator! The other applications are Graphs & Geometry, Lists & Spreadsheet, Notes and Data & Statistics.

With a calculator performance index of 840 this calculator is by far the fastest device I have. It outperforms the 2nd fastest calculator, the HP-50G, by a factor 3.


Graphing calculator: Texas Instruments TI-Nspire

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This page was last modified on November 28th, 2009

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