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HT
TK-1024
1977-78
Privileg
SR-35NC
1976

Texas Instruments TI-30

Manufacturer:Texas Instruments (USA)
Mfg. date:1976-83
Size:8×14,7×3,4 cm
Weight (ready for operate):147 g
Type:scientific
Capacity:8/5+2 digits (input/display)
10+2 digits (internal precision)
Operating logic:AOS
CPU:Texas Instruments TMC0981NL
Registers:3 standard (with saving the pending operation)
1 constant (with saving the pending operation)
15 bracket (with saving the pending operation)
1 memory (with aritmetic)
Features:%calculation with percent +/-change sign (direct entry of negative numbers) Ffloating-point notation Sciscientific (exponential) notation Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal trigtrigonometrical functions (sin, cos, tan and inverses: arcsin, arccos, arctan) logexponential and logarithmical functions (10- and e-base) yxraising to power
Display:9 digit LED
Power:9V battery
Test results:trigonometry:result of sin-1(cos-1(tan-1(tan(cos(sin(60°)))))), reference value: 60. 60.028581744
exponential:result of 0.999160000, reference value (first 14 digits): 3.0068804206375×10-70 3.006980772E-70

The original TI-30

Inside of the TI-30: contains only one chip and the display
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