Texas Instruments TI-30Xa
Brief History
In 1993 was introduced a new calculator with significantly expanded functionality, the TI-30X. It has 10+2 digit display capacity and can calculate hyperbolic functions, conversions between angular units and coordinates, has ability for entering or displaying numbers in fractions, and fully configurable displaying notation. It lacked the constant mode, but TI-30Xa from 1995 has this feature again. TI-30Xa was completely redesigned in 1996 using new shapes and colors.
| Manufacturer: | Texas Instruments (USA/China) |
| Mfg. date: | 1996- |
| Size: | 7,5×15,1×1,5 cm |
| Weight (ready for operate): | n.a. |
| Type: | scientific |
| Capacity: | 10/10+2 digits (input/display) 12+2 digits (internal precision) |
| Operating logic: | AOS |
| Registers: | 3 standard (with saving the pending operation) 1 constant (with saving the pending operation) 15 bracket (with saving the pending operation) 3 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-9) Sciscientific (exponential) notation Engengineering notation a b/callows entry and display of fractions BSbackspace (right-shift) function Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) hyphyperbolic functions (sinh, cosh, tanh and inverses: ar sinh, ar cosh, ar tanh) DMS-DDconversion of decimal and sexagesimal numbers logexponential and logarithmical functions (10- and e-base) yxraising to power SDone variable statistics: calculating mean and standard deviation nCrprobability calculations P-Rconverting coordinates between rectangular and polar systems n!factorial |
| Display: | 10+2+2 digit LCD |
| Power: | 2×LR44 button cell |
| Test results: | trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 59.999998424 exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.00688043331E-70 |
TI-30Xa
Inside of the TI-30Xa
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