152 lines
4 KiB
C
152 lines
4 KiB
C
#include <stdio.h>
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#include <math.h>
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#include <stdlib.h>
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#include "formulas.h"
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#include "matrices.h"
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// to compile use "gcc main.c -lm"
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int main()
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{
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system("clear");
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printf("Welcome to Calculator Collection™.\nPlease select which calculator you would like to use.");
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printf("\n\n 1. Hypotenuse calculator");
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printf("\n 2. Quadratic formula calculator");
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printf("\n 3. Area of a circle");
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printf("\n 4. Matrix determinant");
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printf("\n 5. Matrix addition");
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printf("\n 6. * Matrix multiplication *");
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printf("\n 7. Scalar matrix multiplication");
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printf("\n 8. Exponent");
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printf("\n\n * Stared entries are not fully programmed.");
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printf("\n Enter your choice here:_____");
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printf("\033[D");
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printf("\033[D");
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printf("\033[D");
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int userInput;
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scanf("%i", &userInput);
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switch (userInput)
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{
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case 1:
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system("clear");
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printf("\n ~~ Hypotenuse calculator ~~");
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printf("\n\n /|\n");
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printf(" / |\n");
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printf(" c / |\n");
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printf(" / | a\n");
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printf(" / |\n");
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printf(" /_____|\n\n");
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printf(" b\n");
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printf("\nPlease type the length of the triangle:\n");
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double sideA;
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scanf("%lf", &sideA);
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printf("\nPlease type the width of the triangle:\n");
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double sideB;
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scanf("%lf", &sideB);
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printf("The Hypotnuse is equal to %lf.\n", hypotenuse(sideA, sideB));
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break;
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case 2:
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system("clear");
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printf("\n ~~ Quadratic formula ~~\n\n");
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printf("Please enter the value for \"a\":\n");
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double numA;
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scanf("%lf", &numA);
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printf("Please enter the value for \"b\":\n");
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double numB;
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scanf("%lf", &numB);
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printf("Please enter the value for \"c\":\n");
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double numC;
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scanf("%lf", &numC);
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double awn1ptr, awn2ptr;
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quadratic(numA, numB, numC, &awn1ptr, &awn2ptr);
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printf("The zeros are: %f and %f.\n", awn1ptr, awn2ptr);
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break;
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case 3:
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system("clear");
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printf("\n ~~ Area of a circle ~~\n\n");
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printf(" o o\n o o\n o o\n o o\n o o\n o o\n");
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printf("\n enter a radius:\n");
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double radius;
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scanf("%lf", &radius);
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printf("The area is %f.\n", areaOfCircle(radius));
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break;
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case 4:
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system("clear");
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printf("\n ~~ 2*2 Matrix determinant ~~\n\n");
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int det;
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det = determinant();
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printf("\nThe determinant is %d.\n", det);
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break;
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case 5:
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system("clear");
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printf("\n ~~ Matrix addition ~~\n\n");
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int Rows;
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int Columns;
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printf("\nPlease enter the number of rows: ");
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scanf("%d", &Rows);
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printf("\nPlease enter the number of columns: ");
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scanf("%d", &Columns);
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matrixAddition(Rows, Columns);
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break;
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case 6:
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system("clear");
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printf("\n ~~ Matrix multiplication ~~\n\n");
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break;
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case 7:
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system("clear");
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printf("\n ~~ Scalar matrix multiplication ~~\n\n");
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int numRows;
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int numColumns;
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int scalar;
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printf("\nPlease enter the number of rows: ");
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scanf("%d", &numRows);
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printf("\nPlease enter the number of columns: ");
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scanf("%d", &numColumns);
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printf("\nPlease enter the scalar multiplier: ");
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scanf("%d", &scalar);
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scalarMultiplication(numRows, numColumns, scalar);
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break;
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case 8:
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system("clear");
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printf("\n ~~ Exponenet ~~\n\n");
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double base;
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double exp;
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printf("\nPlease enter the base: ");
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scanf("%lf", &base);
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printf("\nPlease enter the exponent: ");
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scanf("%lf", &exp);
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double num = pow(base, exp);
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printf("%lf to the power of %lf is equal to %lf.\n", base, exp, num);
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break;
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default:
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printf("\n Incorrect input, try again.\n");
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};
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return 0;
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}; |