calculator #40
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calculator #40
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CalculatorWhat We're Looking For
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CheezItMan
reviewed
Feb 9, 2018
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| # Program for calculator. | ||
| puts " Welcome to the calculator " | ||
| operators_array = %w[add + subtract - divide / multiply * % ^] |
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| # To know when it needs to return an _integer_ versus a _float_. | ||
| def convert_i_f(value) | ||
| if (value =~ /\./) |
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This checks to see it if has ANY decimals in it. So the user could enter two of them, more detection of an invalid value would be better.
For example 3...1 is accepted
| while flag | ||
| puts "Enter the first number " | ||
| num1 = gets.chomp | ||
| if (num1 =~ /[a-zA-Z]/) |
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This only checks for letters (a-z), not punctuation for example.
| # To check whether the user input is numeric for second number | ||
| flag = true | ||
| flag = true | ||
| while flag |
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notice how this section is a repeat of above... great candidate for a method!
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