4. Write a program called MathExpress that evaluates basic mathematical expressions such as 2+15.1 and 3.1416* 4.5 provided as input by the user. The program accepts as input a string expression consisting of a number, followed by an arithmetic operator, followed by another number, such as "2+15.1". (operators that are allowed are: +, -, *, and /). Then the program scans the expression in order to compute and print its value on-screen. Sample output: Enter math expression: 2+15.1 Result: 17.1

4. Write a program called MathExpress that evaluates basic mathematical expressions such as 2+15.1 and 3.1416* 4.5 provided as input by the user. The program accepts as input a string expression consisting of a number, followed by an arithmetic operator, followed by another number, such as "2+15.1". (operators that are allowed are: +, -, *, and /). Then the program scans the expression in order to compute and print its value on-screen. Sample output: Enter math expression: 2+15.1 Result: 17.1

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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