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Many early calculators used a post-fix entry to perform arithmetic calculations. For example 2 + 3 in in-fix notation would be 2 3 + in post-fix notation. ( 2 + 3 ) * 4, would be 2 3 + 4 *. Utilizing a stack, post-fix expressions are very easily evalauted.
If an entry is numeric, simply push it on the stack. If an entry is an operator, pop the top two elements from the stack, perform the operation, and push the result on the stack. You must write a C# program that asks a user for input and evaluates an expression using this technique. For example:
Enter your post-fix expression: 5 6 + 4 5 * +
Answer: 31
Method, which determines whether value of "b squared" - 4ac is negative. If negative, code then prints out message "no real solutions" and returns from method.
Write a program which reads in side of a square and then prints that square out of asterisks. Program must work for hollow squares of all side sizes between 1 and 20.
Given int variables k and total which have already been declared, use for loop to calculate the sum of squares of first 50 counting numbers, and store this value in total.
Design the logic for a program that continuously prompts a user for a numeric value until the user enters 0. The application passes the value in turn to a method that squares the number
Write down the XML file with markup tags and some sample data to represent list of invoices. Write the XML tags for two invoices in list.
Include at least one other functional control such as a button (Exit button) or a MenuStrip having an Exit and an About selection.
Design an interactive program that does the following, using the prewritten methods whenever they are appropriate. Prompt the user for and read a library card number, which must be between 1000 and 9999.
Develop a Unix shell script to input number of hours worked and pay rate and calculate the total pay, then the social security amount (assume 5%), then the net pay.
Create a method named posNeg which generates 1000 random integers. Range of numbers must be from -5 to +5 inclusive.
Write down the program which permits the user to enter last names of five candidates in local election and number of votes received by each candidate.
1. protecting the american food supply from terrorist attacks or natural contamination is a difficult task. the fda and
You are to plan and then code the next version of the CP1200 catering calculator, as described in the following information and sample output
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