This is the enhanced version of an older LED calculator, the TI-55. The calculator has a slanted display and a beautifully expensive look to it.
The scientific part of this calculator is quite thorough, with many statistical functions (marked in red on the keyboard), numeric conversions and numeric integrals. The integral function calculates the volume of a programmed formula between two endpoints.
A huge disadvantage of this calculator is the fact that the keyboard wasn't designed very well and keys start to bounce after continuous use.
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This page was last modified on February 6th, 2009