Scientific calculator produced by Texas Instruments
Texas Instruments TI-68
The TI-68 was a scientific pocket/desktop calculator produced by Texas Instruments .[ 1] It was introduced in 1989 and was modified in 1991 to produce a less expensive and possibly more durable version. The adjacent picture is the later version. It was discontinued in 1997.
A wealth of features made it a versatile calculator. Named variables , and interactive formulas of up to 79 keystrokes, could be stored, subject to a total memory usage of 440 bytes . Some features included a simultaneous equations solver, a polynomial root finder, two-variable statistics , complex numbers , and a recall feature, which would display the last equation entered and its answer. It had several features useful to computer programmers , such as radix modes and conversions and bitset operators. It had an alphanumeric keyboard and display .
It was also offered by Radio Shack as model EC-4044, but in a different color scheme.
References
External links
Z80 -based graphingM68k -based graphingARM -based graphingOther graphing Non-graphing programmable Scientific models Financial models Other models Related