48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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int main()
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{
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system("clear");
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printf("\n ~~ Quadratic Calculator ~~\n");
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printf(" ̲ ̲ ̲ ̲ ̲ ̲\n");
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printf(" ̲-̲b̲±̲√̲b̲̲²̲̲-̲4̲a̲c̲\n");
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printf(" 2a\n\n");
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double num_A, num_B, num_C;
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printf("Please enter the value for \"a\":\n");
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scanf("%lf", &num_A);
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printf("Please enter the value for \"b\":\n");
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scanf("%lf", &num_B);
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printf("Please enter the value for \"c\":\n");
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scanf("%lf", &num_C);
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double radical = pow(num_B, 2) + (-4 * num_A * num_C);
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printf("\nUnder the radical: %f\n", radical);
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if (radical < 0.0)
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{
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// roots are complex
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printf("Roots are complex.\n");
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double real_part = (-num_B) / (2 * num_A);
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double imaginary_part = sqrt(radical * -1.0) / (2 * num_A);
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printf("The zeros are: %f+%fi and %f-%fi.\n", real_part, imaginary_part, real_part, imaginary_part);
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}
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else
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{
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// roots are real
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printf("Roots are real.\n");
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double numerator_1 = (-num_B) + sqrt(radical);
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double numerator_2 = (-num_B) - sqrt(radical);
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double zero_1_ptr = numerator_1 / (2 * num_A);
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double zero_2_ptr = numerator_2 / (2 * num_A);
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printf("The zeros are: %f and %f.\n", zero_1_ptr, zero_2_ptr);
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};
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return 0;
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};
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