How do I make a calculator in bash?

How do I make a calculator in bash?

Simple Calculator in Bash

  1. echo. echo is one of the mostly used command.
  2. read. The command read in Linux is used to read the input from the keyboard.
  3. Switch-Case. When there are a lot of if statement in Shell and it becomes confusing.
  4. bc Command. Checkout the link for bc Command bc Command Linux Example.

How do I make a calculator in terminal?

To open it, simply type calc in a terminal and hit Enter. Like bc, you’ll need to use typical operators. For example, 5 * 5 for five multiplied by five. When you type a calculation, hit Enter.

How to make a calculator in bash script?

I am trying to make a calculator with a bash script. The user enters a number, chooses whether they wish to add, subtract, multiply or divide. Then the user enters a second number and is able to choose whether to do the sum, or add, subtract, multiply or divide again on a loop.

How to create an interactive calculator in Linux?

Unfortunately, the bc command can reveal some of these glitches in unexpected ways. For example, in bc, set scale=0 and enter 7 % 3. Now try it with scale=4. This produces .0001, which is clearly incorrect. Lastly I hope the steps from the article to create an interactive calculator using bash or shell script on Linux was helpful.

How to write shell script to create simple calculator?

Write a shell script to create a simple calculator using a switch-case statement? Please leave a comment below if you like this post or found some error, it will help me to improve my content.

Is there a floating point calculator in Linux?

Floating-point calculations, even those that are easy for us humans, can be tricky on computers. Unfortunately, the bc command can reveal some of these glitches in unexpected ways. For example, in bc, set scale=0 and enter 7 % 3. Now try it with scale=4. This produces .0001, which is clearly incorrect.