From 511c1f2359a60db6bbab1bc28cbdd43668aeac7c Mon Sep 17 00:00:00 2001
From: dee-mee <derekmuriuki2@gmail.com>
Date: Wed, 3 Apr 2024 08:50:10 +0300
Subject: [PATCH] calculator in bash

---
 script7.sh | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100755 script7.sh

diff --git a/script7.sh b/script7.sh
new file mode 100755
index 0000000..3226128
--- /dev/null
+++ b/script7.sh
@@ -0,0 +1,42 @@
+#!/bin/bash
+
+##This script illustrates how to make a calculator using bash
+
+clear
+
+sum=0
+i="y"
+
+echo "Enter first no: "
+read n1
+echo "Enter second no: "
+read n2
+
+while [ $i = "y" ]
+do
+echo "1. Addition"
+echo "2. Subtraction"
+echo "3. Multiplication"
+echo "4. Division"
+read op
+
+case $op in
+	1) sum= expr $n1 + $n2
+	echo "sum = "$sum;;
+ 	2) sum= expr $n1 - $n2
+	echo "Sub = "$sum;;
+	3) sum= expr $n1 \* $n2
+	echo "Mult = "$sum;;
+	4) sum= expr $n1 / $n2
+	echo "Div = "$sum;;
+	*)echo "Invalid choice";;
+
+esac
+
+echo "Do you want to continue (Y/n))? "
+read i
+if [ $i != "y" ]
+then
+	exit
+fi
+done