Texas Instruments TI-30 calculator.
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Uploader Comments (CassetteMaster)
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I have working TI-30. It is made week 23 in 1977. It uses 9 V battery.
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I got one of these on eBay - it's pretty great! When was your unit made? (It's a four digit number on the back.) Mine was made the 33rd week of 1979, so it doesn't have the 0 INV TAN bug. It would be interesting to see if yours does!
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@scape321 Only on the early units produced in 1976. They fixed it later.
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I'll give you a dollar for it.
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in real life it's very clear
but i feel like the display uses lasers that burn holes in my eyes
lolol
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@tubeie07 The TI-30 is very important in computer/calculator history because it was only $25-$30 when released in 1976, cheaper than a good slide rule. The TI-30 replaced the slide rule.
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Did you know that If you press "0 INV TAN" this model of the TI would glitch, and go into an infinite loop? Lol! Try it CassetteMaster.
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I had one of these back when I was in the 5th grade (or thereabouts). So your video brought back memories. I remember watching the tangent calculation as it created a moving design on the furthest right digit, as you tried to show in your video. Great stuff, wish I still had mine!
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How old is the calculator?
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the first computer was a texus insturment
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My mother had an old Casio calculator that had a VFD screen like your calculator, but the numbers on Mum's calculator were greeny blue and not red. You don't see VFD calculators any more, I think that's sad. What size and how many batteries does that calculator use?
Lachlant1984 2 years ago
It uses one 9-volt battery.
CassetteMaster 2 years ago
I had Texas Instraments Calc. when I was at Uni. In thise days a calculator like this one would have cost aournd $200- WOW!
tubeie07 4 years ago
$200! Oh, my gosh!!!!! Just for a slow-tangent calculating calculator!!
CassetteMaster 4 years ago