Bulding a physical calculator from scratch [duplicate] The 2019 Stack Overflow Developer Survey Results Are InHow to build a calculator?How to build a calculator?Arduino 3 digit LCD calculatorCalculator with phone keypad questionSimple calculator problemHow to make a Calculator?Problem in a boost calculator circuitWhat type of processor in usual 8-digits pocket calculator?Antenna feed line calculatorWould this circuit work as a binary calculator?Saving to cassette with 80s BASIC calculator, TI-74
Is there a way to generate a uniformly distributed point on a sphere from a fixed amount of random real numbers?
What does もの mean in this sentence?
Cooking pasta in a water boiler
Is it ok to offer lower paid work as a trial period before negotiating for a full-time job?
Did any laptop computers have a built-in 5 1/4 inch floppy drive?
What is preventing me from simply constructing a hash that's lower than the current target?
Likelihood that a superbug or lethal virus could come from a landfill
Why isn't the circumferential light around the M87 black hole's event horizon symmetric?
Falsification in Math vs Science
Keeping a retro style to sci-fi spaceships?
How to charge AirPods to keep battery healthy?
How do PCB vias affect signal quality?
What do these terms in Caesar's Gallic Wars mean?
Old scifi movie from the 50s or 60s with men in solid red uniforms who interrogate a spy from the past
RequirePermission not working
How did passengers keep warm on sail ships?
A female thief is not sold to make restitution -- so what happens instead?
Why doesn't shell automatically fix "useless use of cat"?
Can there be female White Walkers?
What does Linus Torvalds mean when he says that Git "never ever" tracks a file?
How to type a long/em dash `—`
How can I define good in a religion that claims no moral authority?
How can I have a shield and a way of attacking with a ranged weapon at the same time?
Mathematics of imaging the black hole
Bulding a physical calculator from scratch [duplicate]
The 2019 Stack Overflow Developer Survey Results Are InHow to build a calculator?How to build a calculator?Arduino 3 digit LCD calculatorCalculator with phone keypad questionSimple calculator problemHow to make a Calculator?Problem in a boost calculator circuitWhat type of processor in usual 8-digits pocket calculator?Antenna feed line calculatorWould this circuit work as a binary calculator?Saving to cassette with 80s BASIC calculator, TI-74
.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;
$begingroup$
This question already has an answer here:
How to build a calculator?
12 answers
As you can probably tell I am relatively new to the electronics scene and I'm rather stuck on a project I'm doing for school.
I am on my second year of an Electrical engineering degree, tasked to do a project. I chose to make a calculator as it seemed like a fun and doable challenge, but I'm stuck at square one with not much of an idea of where to go from here.
A few questions I have are:
Which language should I use for such a project for someone with minimal experience?(mainly python)
How would I go about coding such a program that could be implemented into a physical build?
Where is a good place to purchase the necessary components for the build.
Any thing to help a gal out would be greatly appreciated <3
programming electrical calculator
New contributor
$endgroup$
marked as duplicate by Dmitry Grigoryev, W5VO♦ Apr 8 at 14:06
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
add a comment |
$begingroup$
This question already has an answer here:
How to build a calculator?
12 answers
As you can probably tell I am relatively new to the electronics scene and I'm rather stuck on a project I'm doing for school.
I am on my second year of an Electrical engineering degree, tasked to do a project. I chose to make a calculator as it seemed like a fun and doable challenge, but I'm stuck at square one with not much of an idea of where to go from here.
A few questions I have are:
Which language should I use for such a project for someone with minimal experience?(mainly python)
How would I go about coding such a program that could be implemented into a physical build?
Where is a good place to purchase the necessary components for the build.
Any thing to help a gal out would be greatly appreciated <3
programming electrical calculator
New contributor
$endgroup$
marked as duplicate by Dmitry Grigoryev, W5VO♦ Apr 8 at 14:06
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
2
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
4
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01
add a comment |
$begingroup$
This question already has an answer here:
How to build a calculator?
12 answers
As you can probably tell I am relatively new to the electronics scene and I'm rather stuck on a project I'm doing for school.
I am on my second year of an Electrical engineering degree, tasked to do a project. I chose to make a calculator as it seemed like a fun and doable challenge, but I'm stuck at square one with not much of an idea of where to go from here.
A few questions I have are:
Which language should I use for such a project for someone with minimal experience?(mainly python)
How would I go about coding such a program that could be implemented into a physical build?
Where is a good place to purchase the necessary components for the build.
Any thing to help a gal out would be greatly appreciated <3
programming electrical calculator
New contributor
$endgroup$
This question already has an answer here:
How to build a calculator?
12 answers
As you can probably tell I am relatively new to the electronics scene and I'm rather stuck on a project I'm doing for school.
I am on my second year of an Electrical engineering degree, tasked to do a project. I chose to make a calculator as it seemed like a fun and doable challenge, but I'm stuck at square one with not much of an idea of where to go from here.
A few questions I have are:
Which language should I use for such a project for someone with minimal experience?(mainly python)
How would I go about coding such a program that could be implemented into a physical build?
Where is a good place to purchase the necessary components for the build.
Any thing to help a gal out would be greatly appreciated <3
This question already has an answer here:
How to build a calculator?
12 answers
programming electrical calculator
programming electrical calculator
New contributor
New contributor
New contributor
asked Apr 8 at 10:37
calccharliecalccharlie
343
343
New contributor
New contributor
marked as duplicate by Dmitry Grigoryev, W5VO♦ Apr 8 at 14:06
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
marked as duplicate by Dmitry Grigoryev, W5VO♦ Apr 8 at 14:06
This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.
2
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
4
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01
add a comment |
2
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
4
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01
2
2
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
4
4
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01
add a comment |
2 Answers
2
active
oldest
votes
$begingroup$
A good beginners platform would be arduino. For language you will need to know some C / C++
Hardware you could either use a plastic matrix keyboard or for more of a challenge use some micro switches on perfboard
Good places to purchase from are farnell, digikey, arrow, or RS to name a few (just google them they should be top of the results) Ebay and amazon can be good for small quantities
Here is an example project you could draw inspiration from
Arduino Calculator
$endgroup$
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
|
show 1 more comment
$begingroup$
Maybe you can also try MicroPython, there are mutiple microcontrollers/development boards supported, and you should feel right at home with your previous knowledge of snake power.
That said, Arduino's probably a better choice, with all the libraries and tutorials and projects available. Also, it's using C/C++ with some baked-in libraries, which means you can still gain some reusable knowledge shall you go deeper in the field (most of which still runs on C and sometimes a touch of C++)
$endgroup$
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
add a comment |
2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
$begingroup$
A good beginners platform would be arduino. For language you will need to know some C / C++
Hardware you could either use a plastic matrix keyboard or for more of a challenge use some micro switches on perfboard
Good places to purchase from are farnell, digikey, arrow, or RS to name a few (just google them they should be top of the results) Ebay and amazon can be good for small quantities
Here is an example project you could draw inspiration from
Arduino Calculator
$endgroup$
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
|
show 1 more comment
$begingroup$
A good beginners platform would be arduino. For language you will need to know some C / C++
Hardware you could either use a plastic matrix keyboard or for more of a challenge use some micro switches on perfboard
Good places to purchase from are farnell, digikey, arrow, or RS to name a few (just google them they should be top of the results) Ebay and amazon can be good for small quantities
Here is an example project you could draw inspiration from
Arduino Calculator
$endgroup$
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
|
show 1 more comment
$begingroup$
A good beginners platform would be arduino. For language you will need to know some C / C++
Hardware you could either use a plastic matrix keyboard or for more of a challenge use some micro switches on perfboard
Good places to purchase from are farnell, digikey, arrow, or RS to name a few (just google them they should be top of the results) Ebay and amazon can be good for small quantities
Here is an example project you could draw inspiration from
Arduino Calculator
$endgroup$
A good beginners platform would be arduino. For language you will need to know some C / C++
Hardware you could either use a plastic matrix keyboard or for more of a challenge use some micro switches on perfboard
Good places to purchase from are farnell, digikey, arrow, or RS to name a few (just google them they should be top of the results) Ebay and amazon can be good for small quantities
Here is an example project you could draw inspiration from
Arduino Calculator
answered Apr 8 at 10:45
Andy WestAndy West
396216
396216
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
|
show 1 more comment
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
Thanks a bunch for that example! Super helpful stuff there, man I should have come here earlier...
$endgroup$
– calccharlie
Apr 8 at 11:55
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
$begingroup$
No problem, if ive answered your question id appreciate if you could accept it with the tick :)
$endgroup$
– Andy West
Apr 8 at 12:00
5
5
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
$begingroup$
...keeping in mind that calculators were never made with micro controllers. This really makes a terrible EE project, to be honest. It's more a programmers solution to the problem. This is conceptually no different from writing a basic calculator app in any programming language, then using some wire to attach a handful of number keys other than the ones on your keyboard to the thing. For an EE project I'd rather see something done with a bit of memory, registers, an ALU - something to demonstrate an understanding of the electronics involved.
$endgroup$
– J...
Apr 8 at 12:10
1
1
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
$begingroup$
Not that there's anything wrong with a programming project, mind you, but as far as programming projects go, this is pretty weak. Shouldn't take more than an afternoon, even for a beginner.
$endgroup$
– J...
Apr 8 at 12:12
1
1
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
$begingroup$
I see what you mean @J... and youre right honestly, but I have discussed it with my teacher and he said that ill be fine to get the grade. Bearing in mind that its not just the making but all the pre work that needs to be done as well. According to him, it's rare for people to finish the actual build but people still get the marks for the prep work they've done.
$endgroup$
– calccharlie
Apr 8 at 14:20
|
show 1 more comment
$begingroup$
Maybe you can also try MicroPython, there are mutiple microcontrollers/development boards supported, and you should feel right at home with your previous knowledge of snake power.
That said, Arduino's probably a better choice, with all the libraries and tutorials and projects available. Also, it's using C/C++ with some baked-in libraries, which means you can still gain some reusable knowledge shall you go deeper in the field (most of which still runs on C and sometimes a touch of C++)
$endgroup$
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
add a comment |
$begingroup$
Maybe you can also try MicroPython, there are mutiple microcontrollers/development boards supported, and you should feel right at home with your previous knowledge of snake power.
That said, Arduino's probably a better choice, with all the libraries and tutorials and projects available. Also, it's using C/C++ with some baked-in libraries, which means you can still gain some reusable knowledge shall you go deeper in the field (most of which still runs on C and sometimes a touch of C++)
$endgroup$
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
add a comment |
$begingroup$
Maybe you can also try MicroPython, there are mutiple microcontrollers/development boards supported, and you should feel right at home with your previous knowledge of snake power.
That said, Arduino's probably a better choice, with all the libraries and tutorials and projects available. Also, it's using C/C++ with some baked-in libraries, which means you can still gain some reusable knowledge shall you go deeper in the field (most of which still runs on C and sometimes a touch of C++)
$endgroup$
Maybe you can also try MicroPython, there are mutiple microcontrollers/development boards supported, and you should feel right at home with your previous knowledge of snake power.
That said, Arduino's probably a better choice, with all the libraries and tutorials and projects available. Also, it's using C/C++ with some baked-in libraries, which means you can still gain some reusable knowledge shall you go deeper in the field (most of which still runs on C and sometimes a touch of C++)
answered Apr 8 at 10:58
Richard the SpacecatRichard the Spacecat
64948
64948
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
add a comment |
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
$begingroup$
This is somewhat the route my lecturer advised me to take. Ive never heard of MicroPython but ill have a look. Thanks a million!
$endgroup$
– calccharlie
Apr 8 at 11:57
add a comment |
2
$begingroup$
What hardware are you thinking of using?
$endgroup$
– HandyHowie
Apr 8 at 10:42
4
$begingroup$
"Building from scratch" does not match using a programming language, imho. What do you want to do? Plug three modules together and write a program? Build functions out of logic gates or transistors? Or something in between?
$endgroup$
– JimmyB
Apr 8 at 11:53
$begingroup$
I'm agreeing with @JimmyB - you're in an EE program, posting on an EE site, but then talking about the project as though it is a software project. Which is it? Do you want to use programmable hardware to write a software calculator, or do you want to use logic hardware to design a calculator circuit?
$endgroup$
– J...
Apr 8 at 13:01