Write a program that translates a letter grade into a number grade. Letter grades are A, B, C, D, and F, possibly followed by + or -. Their numeric values are 4, 3, 2, 1, and 0. There is no F+ or F-. A + increases the numeric value by 0.3, a – decreases it by 0.3. However, an A+ has value 4.0. Enter a letter grade: B- The numeric value is 2.7.

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Write a program that translates a letter grade into a number grade. Letter grades are
A, B, C, D, and F, possibly followed by + or –. Their numeric values are 4, 3, 2, 1,
and 0. There is no F+ or F-. A + increases the numeric value by 0.3, a – decreases it
by 0.3. However, an A+ has value 4.0.
Enter a letter grade: B-
The numeric value is 2.7.
Transcribed Image Text:Write a program that translates a letter grade into a number grade. Letter grades are A, B, C, D, and F, possibly followed by + or –. Their numeric values are 4, 3, 2, 1, and 0. There is no F+ or F-. A + increases the numeric value by 0.3, a – decreases it by 0.3. However, an A+ has value 4.0. Enter a letter grade: B- The numeric value is 2.7.
Expert Solution
Step 1

ANS:

I had written the code in C language:

 

#include <stdio.h>

int main()
{
    float a;
    char f[2];
    
    printf("Enter a letter grade:");
    scanf("%c",f);
    scanf("%c",(f+1));
    if('A'==f[0]){
        if('-'==f[1] ){
            a=4-0.3;
            printf("The numeric value is %f",a);
        }
        else{
        a=4;
        printf("The numeric value is %f",a);
        }
    }
    else if ('B'==f[0]){
        if('+'==f[1]){
            a=3+0.3;
            printf("The numeric value is %f",a);
        }
        else if ('-'==f[1]){
            a=3-0.3;
            printf("The numeric value is %f",a);
        }
        else{
            a=3;
            printf("The numeric value is %f",a);
        }
    }
    else if ('C'==f[0]){
        if('+'==f[1]){
            a=2+0.3;
            printf("The numeric value is %f",a);
        }
        else if ('-'==f[1]){
            a=2-0.3;
            printf("The numeric value is %f",a);
        }
        else{
            a=2;
            printf("The numeric value is %f",a);
        }
    }
    else if ('D'==f[0]){
        if('+'==f[1]){
            a=1+0.3;
            printf("The numeric value is %f",a);
        }
        else if ('-'==f[1]){
            a=1-0.3;
            printf("The numeric value is %f",a);
        }
        else{
            a=1;
            printf("The numeric value is %f",a);
        }
    
    }
    else if('F'==f[0]){
        if('+'==f[1]){
            
            printf("There is no F+, you enter a wrong letter grade.");
        }
        else if ('-'==f[1]){
            
            printf("There is no F-, you enter a wrong letter grade.");
        }
        else{
            a=0;
            printf("The numeric value is %f",a);
        }
    }
    else 
    printf("YOU ENTER A WRONG LETTER GRADE.");
    return 0;
}

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