Questions tagged [calculator]
This tag is for questions about calculators.
545
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2
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1
answer
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A very basic calculator in C#
I'm trying to learn C#, I made this calculator with my current knowledge. It works as I intended, but I'd appreciate some input on my code.
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2
votes
2
answers
335
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Simple calculator in python using tkinter
I just learned Python and Tkinter and I've just made a simple calculator using Tkinter for a small project at my school. It can do addition, subtraction, multiplication and division. I think that my ...
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0
votes
1
answer
104
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The simple calculator in Ruby
I wrote the simple calculator in Ruby. This is my first program in this language. I've switched recently from Python to Ruby. What do you think about my work? Thanks
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3
votes
2
answers
93
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Income Tax Calculator using 1913 tax standards
I am a beginner in a class and recently given a problem where I have to design a income tax calculator but using the 1913 tax standards. I was able to get it down I think but I was just wondering if ...
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2
votes
1
answer
75
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Interest/Discount rate and loan calculator java
I'm currently learning Java at home with YouTube tutorials.
I took a short break from the course to make a small project for calculating costs of loan.
It's not economically accurate - I followed ...
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7
votes
1
answer
1k
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Basic C# Calculator
I am a beginner programmer, I decided to make this calculator program to test my knowledge on basic C# syntax, the code executes as intended, however I would like to shorten it to be more concise.
<...
3
votes
1
answer
284
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Calculator (Java/Beginner)
I finished my first calculator using Java!
I try to apply Object-Oriented Programming!
I'll add my gitHub link if you're suited to viewing code on gitHub.
Here is a link to my GitHub Calculator ...
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1
vote
3
answers
255
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1
vote
1
answer
150
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Simple calculator project
This code displays a simple decimal calculator with operations like add, subtract, multiply and divide. It also has a function to clear the result.
I try to reduce code repetition. I still think I ...
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3
votes
3
answers
630
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Command line calculator in C
This code is an arithmetic parser as is the code in a previous question of mine. However this parser handles floating point arguments and mathematical functions, and handles them without needing to ...
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2
votes
2
answers
142
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Simple console calculator
Thats my first application on Python. Please help me do my code better. I try make the simple application . I don't know is I do it right and how do my code cleaner.
main.py . Entry point of my ...
4
votes
5
answers
238
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Trigonometric functions calculator
This is a basic 6 trigonometric functions calculator that I will incorporate into my main calculator project. It works as intended, but the BUILD MESSAGES issue a warning, the warning being:
Warning: '...
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3
votes
1
answer
207
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Calculator for multiplying price and quantity
I'm coding with c++. Basically the question is about to make calculation of any product and calculate with price and quantity with our name. Anyone can simplify this coding?
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8
votes
1
answer
802
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A Simple Calculator
Can I code this Simple Calculator in a more efficient way?
I'm currently self-taught, one thing I notice is that I get an error if I don't press the space bar after each entry, is there a way to avoid ...
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2
votes
2
answers
250
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Binary Expression Tree that evaluates Postfix input
My code for a Binary Expression Tree that takes postfix input from the user and recursively builds and evaluates the expression. Proper input can be assumed.
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5
votes
2
answers
518
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Terminal calculator that saves and displays calculation history
I am self-learning C++ and this was my first smallish project. The goal was to create a working calculator that runs in the terminal, saves history of previous calculations, and has the ability to ...
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2
votes
1
answer
267
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Basic command-line Python calculator
I made this basic Python calculator. It just does addition, subtraction, division, and multlipication.
I feel like the code is a mess, but it does what I want it to, and I feel like it does it ...
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-4
votes
1
answer
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Simple Vue calculator [closed]
I made conditional calculator in Vue js but I need help to make it more efficient.
https://jsfiddle.net/wbrx9cyp/1/
example of code:
...
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8
votes
1
answer
579
views
Program to add or subtract a pair of numbers
Newbie here :) I have been working on a program that reads a pair of numbers from
standard input, along with a mathematical operation and an initial capacity for
storing the numbers; and using this ...
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4
votes
1
answer
190
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Calculator app made in Java (ver2)
A few days ago, I uploaded my first version of my calculator app I made in android studio. I got some great some feedback on it and tried to improve my app as much as I could.
changes/new featres:
...
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3
votes
2
answers
168
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Python Calculator - Feedback/Improvements
I made a calculator for a class I am taking. It works like this:
Tells user the input range is between two numbers, and asks if want to change the range. If yes, asks the user input new numbers (if ...
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4
votes
1
answer
370
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Windows standard calulator replica in WinForms C#
I tried my best to replicate, in style and functionality, the Windows standard calculator:
I would like to get some feedback on the efficiency and readability of my code as well as the approach i ...
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5
votes
1
answer
2k
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Calculator App with Kotlin and Android Studio
Hello I am an absolute beginner with Kotlin and Android Studio.
I want to hear what I could do better for the next time or any flaws my code has.
The code implements a four-function calculator (+ - ✕ ÷...
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2
votes
0
answers
226
views
Mean, median and mode GUI
This program takes x numbers and displays the mean, median and mode.
My goal here was to use classes and class properties the best i could to make the code shorter (honestly i may have just made it ...
- 93
1
vote
1
answer
113
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How can I implement this calculator in a better way?
I have this calculator. The user is asked to provide three numbers as well as the numeric
operation they wish to perform. Based on this input, a certain case will be executed.
The calculator is ...
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12
votes
5
answers
4k
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My first C program: quadratic formula calculator code
Recently I've started to learn the C programming language. This is my first program which finds zero places of quadratic formulas. Doesn't parse, just gets the discriminants, counts delta and x1, x2.
<...
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2
votes
1
answer
87
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Total income program: budget and savings calculator
I started my cs50 course this week and I will be trying to make little projects alongside to reaffirm what I've learned thus far. Here I have made a very basic budget and savings calculator, I am ...
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4
votes
3
answers
150
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Circle & Sphere Calculator
I've just wrote my first real C program. It calculates the dimensions of a circle or a sphere based on the user input.
The program asks the user which dimension they are entering and then prints the ...
- 141
0
votes
1
answer
280
views
income calculator
I'm really new to code optimization and JS. And I like to learn with clean code. I would like to ask for help on optimizing my code.
The code below parses the value of four inputs as floating point ...
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1
vote
1
answer
1k
views
JavaScript change calculator
I'm new at coding and I'm learning it on freeCodeCamp, that's the most hardest problem that I have already do at that site. After finishing it (after I vibrated as if I had won a world competition of ...
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7
votes
2
answers
158
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Calculator with JavaScript
I've just created a fully working calculator for my portfolio, and I would like to get a code review. Does that code looks good, or maybe I should refactor it? Is it good enough to be a part of a ...
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0
votes
2
answers
368
views
Strategy Design Pattern in ASP.Net Core MVC Project
I tried to make a calculator using the Strategy pattern in ASP.Net Core MVC (following an example from the Internet)
Please review my code and tell me what could be wrong and how to make it better?
My ...
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4
votes
1
answer
1k
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Simple Calculator Program That Operates On Multiple Inputs
This is my third version of building a simple Python calculator. The first two versions only operate on two inputs to perform calculation, this version allows multiple inputs. However, the result will ...
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3
votes
1
answer
261
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Basic calculator using break statements to control the logic
Below is a simple calculator program in which I'm using break statements to control the logic. I was wondering if this is overkill on the break statements or is it OK.
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5
votes
2
answers
372
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Reverse Polish Notation in C (using a Finite State Machine)
I recently learned about Finite State Machines (FSM) and thought I'd use that to implement a Reverse Polish Notation (RPN) calculator.
I wanted it to also work nicely with the unix pipe. For example, ...
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5
votes
1
answer
226
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Object-oriented calculator class
I started learning OOP programming style in PHP. After end of the course, I wrote a simple calculator in OOP style. Can some one check my code and give me feedback?
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2
votes
3
answers
309
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C++ evaluating an arithmetic expression in RPN format using ADT stack
Write a program that uses an ADT Stack to evaluate arithmetic expressions in RPN format. The contents of the stack should be displayed on the screen during evaluation. The allowed arithmetic operators ...
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vote
2
answers
1k
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Simple Win32 API Calculator in C
I've been learning C as my first language and recently I decided to learn how to create Win32 apps written in C. I Quickly realized, though, that my biggest challenge wasn't writing the Win32 app ...
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1
vote
1
answer
183
views
Car price calculator
Im writing this simple program for school and using NumberFormat on all the variables seems very repetitive (Note that we were asked to use the NumberFormat method)....
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4
votes
3
answers
175
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First C++ calculator
This is my first C++ program. It would be nice if you can tell me anything I could add or do differently.
I am new to C++ programming and I hope to learn more.
...
user236040
3
votes
3
answers
370
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SUVAT Calculator web app using python streamlit
I have made a calculator app to help Bengali high-school students in solving mathematical problems on Newtonian equations of linear motion aka SUVAT equations. I am using python version 3.8.8 and ...
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26
votes
4
answers
4k
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Poor man's JIT using nested lambdas
While answering this code review question, I came up with a way to convert an equation given at runtime to a std::function<double(double)> that would evaluate ...
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5
votes
2
answers
902
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Tokenize arithmetic expression in C
This program tokenizes an arithmetic expression specified in infix notation. It is one of my personal projects and I would love to receive expert advice.
After compiling, you can run the program with ...
5
votes
1
answer
356
views
My first program in C. A simple command-line calculator
I've recently started programming in C and as my first serious program I thought I'd create a simple calculator. To make it a bit more complex I decided not to use the functions included in math.h (...
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6
votes
1
answer
1k
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Calculator in C - Parsing arithmetic expression using the shunting-yard algorithm
This is a simple arithmetic calculator, which parses mathematical expressions specified in infix notation using the shunting-yard algorithm. This is one of my personal projects and I would love to ...
0
votes
1
answer
1k
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BMR calculator web app written in HTML/CSS/Vanilla JS
I'm learning JavaScript at the moment (still very much a beginner) and this is the first app I've designed on my own, without using any tutorials. It's an app which takes the user's gender, age, ...
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vote
0
answers
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PowerShell CLI calculator
I found a project that aims to implement a CLI calculator app in as many different languages and ways as possible. Having a little experience in PS, I tried my hand at it. The requirements are as ...
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2
votes
2
answers
79
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Still learning, looking for general advice about a 4-function calculator I programmed using java
here's some code I wrote in java SE to get use to if statements and scanning. just looking for suggestions that will improve this program or/and teach me techniques that I should get use to using.
<...
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2
votes
2
answers
248
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A postfix (a.k.a. Reverse-Polish Notation - RPN) calculator
As an exercise, I put together a postfix calculator using modern Fortran. Language apart, I am interested in knowing your take on the algorithm. As far as I remember from my freshman year (chemistry - ...
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2
votes
1
answer
50
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Terminal Calculator/Parser Inspired by gcalccmd
My program takes input from the user in two ways:
By passing input as an argument whilst calling the command
By taking any number of inputs after calling the command
The program is a terminal ...
- 21