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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. float result = 0.0;
  5. float userEntry = 0.0;
  6. char getOperand;
  7.  
  8. int main(){
  9.  
  10. printf("Calculator is on\n");
  11. printf("Initial value is 0.0, please issue an operation in the following format: ex. +5 -5 *5 or /5. Do not add more than one number to the total.\n");
  12. getOperand = getchar();
  13. scanf("%3f", &userEntry);
  14. printf("%f", userEntry);
  15. putchar(getOperand);
  16.  
  17. switch(getOperand){
  18.  
  19.     case '+':
  20.         printf("addition\n");
  21.         break;
  22.     case '-':
  23.         printf("subtraction\n");
  24.         break;
  25.     case '/':
  26.         printf("division\n");
  27.         break;
  28.     case '*':
  29.         printf("multiplication\n");
  30.         break;
  31.     default:
  32.         printf("UnknownOperatorException is thrown.\n");
  33.         break;
  34.  
  35.     }
  36.     return 0;
  37. }
Success #stdin #stdout 0s 3460KB
comments (?)
stdin
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+5
stdout
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Calculator is on
Initial value is 0.0, please issue an operation in the following format: ex. +5 -5 *5 or /5. Do not add more than one number to the total.
5.000000+addition
https://ideone.com/Jlx7II
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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