42 lines
955 B
Go
42 lines
955 B
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package main
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import (
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"fmt"
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)
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func main() {
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width, height := 5., 12.
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// calculates the area of a rectangle
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area := width * height
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fmt.Printf("%gx%g=%g\n", width, height, area)
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area = area - 10 // decreases area by 10
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area = area + 10 // increases area by 10
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area = area * 2 // doubles the area
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area = area / 2 // divides the area by 2
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fmt.Printf("area=%g\n", area)
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// // ASSIGNMENT OPERATIONS
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area -= 10 // decreases area by 10
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area += 10 // increases area by 10
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area *= 2 // doubles the area
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area /= 2 // divides the area by 2
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fmt.Printf("area=%g\n", area)
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// finds the remainder of area variable
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// since: area is float, this won't work:
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// area %= 7
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// this works
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area = float64(int(area) % 7)
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fmt.Printf("area=%g\n", area)
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}
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