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1 // A simple calculator, if no arguments do wizard mode.
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2
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3 #include <stdio.h>
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4 #include <stdlib.h>
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5 #include <unistd.h>
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6 #include <math.h>
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7
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8 int main(int argc, char* argv[]){
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9
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10 if (argc == 1) { puts("Quickcalculator 1Add 2Sub 3Mul 4Div"); exit(1);}
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11 // Get numbers
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12 unsigned int value1 = atoi(argv[1]);
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13 unsigned int value2 = atoi(argv[3]);
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14
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15 // Determine operation
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16 unsigned int operation = atoi(argv[2]); // addition subtraction multiplication division
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17 // Do calculation and print
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18 int finalvalue;
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19
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20 if (operation == 1){finalvalue = value1 + value2;}
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21 if (operation == 2){finalvalue = value1 - value2;}
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22 if (operation == 3){finalvalue = value1 * value2;}
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23 if (operation == 4){finalvalue = value1 / value2;}
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24
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25 printf("%d\n", finalvalue);
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26 exit(0);
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27 }
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