diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..f2ffb58
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,54 @@
+use std::io;
+
+fn main() {
+    let mut unit = String::new();
+    let mut temperature = String::new();
+
+    println!("Would you like to convert from Celcius to Fahrenheit (F) or from Fahrenheit to Celcius (C)? ");
+    io::stdin()
+        .read_line(&mut unit)
+        .expect("Failed to read line");
+
+    let unit = unit
+        .trim()
+        .get(..1)
+        .unwrap();
+
+    println!("What temperature are you converting? ");
+    io::stdin()
+        .read_line(&mut temperature)
+        .expect("Failed to read line");
+
+
+    let temperature: f64 = temperature
+        .trim()
+        .parse()
+        .expect("Please type a number!");
+
+    println!("Converting {temperature} degrees {unit}.");
+    println!("{temperature} degrees {unit} = {} degrees {}",
+        if unit == "F" { 
+            to_celcius(temperature) 
+        } else if unit == "C" { 
+            to_fahrenheit(temperature) 
+        } else { 0.0 },
+        if unit == "F" { "C" }
+        else if unit == "C" { "F" }
+        else {"X"}
+    );
+
+        //    println!("If the temperature is {temperature} degrees Celcius, then it would be {} degrees Fahrenheit.", to_fahrenheit(temperature));
+    
+//    println!("If the temperature is {temperature} degrees Fahrenheit, then it would be {} degrees Celcius.", to_celcius(temperature));
+
+}
+
+// from Celcius
+fn to_fahrenheit (temperature: f64) -> f64 {
+    (temperature * (9.0/5.0)) + 32.0
+}
+
+// from Fahrenheit
+fn to_celcius (temperature: f64) -> f64 {
+    (temperature - 32.0) * (5.0/9.0)
+}