diff --git a/test.c b/test.c
deleted file mode 100644
index 40e9e68b5ce52551aaf170a7fd0abc152de1f5df..0000000000000000000000000000000000000000
--- a/test.c
+++ /dev/null
@@ -1,123 +0,0 @@
-#include <stdio.h>
-#include <math.h>
-#include "fx_s3132_double.h"
-
-int main() {
-	int choose;
-	long long num1, num2;
-	double dnum1;
-	int a;
-
-	while (1) {
-		printf("\nChoose the function\n");
-		printf("1. Operation  2. Function  3. Conversion  4. Constant  5. End\n");
-		fflush(stdout);
-		scanf("%d", &choose);
-
-		if (choose == 1) {
-			printf("Input 2 fixed point number.\n");
-			fflush(stdout);
-			scanf("%lld", &num1);
-			scanf("%lld", &num2);
-
-			printf("Choose the operation.\n");
-			printf("1. Add  2. Sub  3. Mul  4. Div\n");
-			fflush(stdout);
-			scanf("%d", &a);
-
-			if (a == 1) {
-				printf("Result: %lld\n", fx_s3132_add(num1, num2));
-			}
-			else if (a == 2) {
-				printf("Result: %lld\n", fx_s3132_sub(num1, num2));
-			}
-			else if (a == 3) {
-				printf("Result: %lld\n", fx_s3132_mul(num1, num2));
-			}
-			else if (a == 4) {
-				printf("Result: %lld\n", fx_s3132_div(num1, num2));
-			}
-		}
-		else if (choose == 2) {
-			printf("Choose the function.\n");
-			printf("1. Sine  2. Sqrt  3. Power  4. log10  5. ln\n");
-			fflush(stdout);
-			scanf("%d", &a);
-
-			if (a == 1) {
-				printf("Input 1 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-
-				printf("Result: %lld\n", fx_s3132_sin(num1));
-			}
-			else if (a == 2) {
-				printf("Input 1 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-
-				printf("Result: %lld\n", fx_s3132_sqrt(num1));
-			}
-			else if (a == 3) {
-				printf("Input 2 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-				scanf("%lld", &num2);
-
-				printf("Result: %lld\n", fx_s3132_power(num1, num2));
-			}
-			else if (a == 4) {
-				printf("Input 1 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-
-				printf("Result: %lld\n", fx_s3132_log(num1));
-			}
-			else if (a == 5) {
-				printf("Input 1 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-
-				printf("Result: %lld\n", fx_s3132_ln(num1));
-			}
-		}
-		else if (choose == 3) {
-			printf("Choose the conversion.\n");
-			printf("1. fx_to_double  2. double_to_fx\n");
-			fflush(stdout);
-			scanf("%d", &a);
-
-			if (a == 1) {
-				printf("Input 1 fixed point number.\n");
-				fflush(stdout);
-				scanf("%lld", &num1);
-				printf("Result: %lf\n", fx_s3132_fx_to_double(num1));
-			}
-			else if (a == 2) {
-				printf("Input 1 double number.\n");
-				fflush(stdout);
-				scanf("%lf", &dnum1);
-				printf("Result: %lld\n", fx_s3132_double_to_fx(dnum1));
-			}
-		}
-		else if (choose == 4) {
-			printf("Choose the constant.\n");
-			printf("1. PI  2. 1/PI\n");
-			fflush(stdout);
-			scanf("%d", &a);
-
-			if (a == 1) {
-				printf("Result: %lld\n", fx_s3132_pi());
-			}
-			else if (a == 2) {
-				printf("Result: %lld\n", fx_s3132_pi_reverse());
-			}
-		}
-		else if (choose == 5) {
-			break;
-		}
-	}
-
-	printf("Thank You\n");
-	return 0;
-}