38 lines
902 B
C++
38 lines
902 B
C++
/*
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Write the following program: The user is asked to enter 2 floating point numbers (use doubles). The user is then asked to enter one of the following mathematical symbols: +, -, *, or /. The program computes the answer on the two numbers the user entered and prints the results. If the user enters an invalid symbol, the program should print nothing.
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*/
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#include <iostream>
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int main() {
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double x, y;
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std::cout << "enter x: "<<'\n';
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std::cin >> x;
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std::cout << "enter x: "<<'\n';
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std::cin >> y;
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std::cout << "enter symbol " << '\n';;
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char symbol;
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std::cin >> symbol;
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double ans;
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switch (symbol) {
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case '+':
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ans = x + y;
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break;
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case '-':
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ans = x - y;
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break;
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case '*':
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ans = x * y;
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break;
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case '/':
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ans = x / y;
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break;
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default:
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return 0;
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}
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std::cout << "answer: " << ans << '\n';
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return 0;
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}
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