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Electrical Engineering

Questions tagged [calculator]

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59 questions
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1 answer
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See, I know it might be a dumb question, but I would like an answer, however dumb it might be. I never did any electronics before. However, I had an idea in mind that even if I can't do it right now I ...
Melody's user avatar
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1 vote
3 answers
286 views

Based on the following schematic, where V+ and V- are +15 and -15 V respectively: Its transfer function is supposed to be: $$V_{out} = \frac{V_1}{V_2V_R}$$ I made the following circuit in LTSpice: ...
Koustubh Jain's user avatar
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1 vote
3 answers
4k views

I was trying to power a basic calculator that day with a power source and I started from 0V going up to 1.5 v I noticed the calculator screen turning out to show a "0", but I could not do ...
Anwer Ak's user avatar
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1 vote
1 answer
2k views

Project Description: A mini-calculator that performs addition, subtraction, and multiplication on two 4-bit inputs (0-9) and displays the inputs and resulting numbers in 7 segment displays. Aside from ...
Carl Jefferson Lay's user avatar
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2 answers
2k views

I have a TI-30xIIs scientific calculator. I was playing around with some of the functions, and I discovered it had a random number generator. I became curious as to how it worked. My first thought was ...
cosmofm's user avatar
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1 vote
2 answers
123 views

My senior colleague recently retired and left behind a Bowmar MX140 calculator that I've managed to repair After playing around with it I've noticed it has some error with certain functions. As an ...
user avatar
0 votes
2 answers
310 views

Hi all, I'm thinking about a project, but I have no idea if it's even possible... So the general idea would be to have a calculator that can display letters and other characters. I have a very basic ...
leventecsoba's user avatar
  • 37
0 votes
1 answer
67 views

I have a solar panel 18V 2W. How do I calculate how much power that is at 5V? Thank you in advance
Henrik Lauridsen's user avatar
  • 35

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