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+# Introduction to Git and GitHub
+
+## Simple Interest Calculator
+
+A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
+
+```
+Input:
+   p, principal amount
+   t, time period in years
+   r, annual rate of interest
+Output
+   simple interest = p*t*r
+```
+
+_© 2022 XYZ, Inc._
diff --git a/.history/README_20250425142547.md b/.history/README_20250425142547.md
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+# Introduction to Git and GitHub
+
+## Simple Interest Calculator
+
+A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
+
+```
+Input:
+   p, principal amount
+   t, time period in years
+   r, annual rate of interest
+Output
+   simple interest = p*t*r
+```
+
+_© 202 XYZ, Inc._
diff --git a/.history/README_20250425142549.md b/.history/README_20250425142549.md
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+# Introduction to Git and GitHub
+
+## Simple Interest Calculator
+
+A calculator that calculates simple interest given principal, annual rate of interest and time period in years.
+
+```
+Input:
+   p, principal amount
+   t, time period in years
+   r, annual rate of interest
+Output
+   simple interest = p*t*r
+```
+
+_© 2022 XYZ, Inc._