Selasa, 04 Juni 2013
MIFTAHUL IMAM
cemara menderai sampai jauh terasa hari akan jadi malam ada beberapa dahan di tingkap merapuh dipukul angin yang terpendam aku sekarang orangnya bisa tahan sudah berapa waktu bukan kanak lagi tapi dulu memang ada suatu bahan yang bukan dasar perhitungan kini hidup hanya menunda kekalahan tambah terasing dari cinta sekolah rendah dan tahu, ada yang tetap tidak terucapkan sebelum pada akhirnya kita menyerah,
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Rabu, 30 Januari 2013
Calculator in C++
Calculator in C++
I am new to C and C++, but I wrote this calculator in C++. It compiles okay on borland 5.5, and can do addition, subtraction, multiplication, and division of two numbers. If you type any characters except numbers, +,-,*,/,or e, there will be lots of beeping noises and error messages!
Please post any ways I can improve
this code or my programming in general!
(Additions such as square roots, etc. will be appreciated)
*****Planned changes: Add a constant for pi, add squared and square root, allow
calculation of roman numerals.*****
1. /*
2. Program: Fett Calculator
3.
4. File:C:\borland\bcc55\bin\cpp\calc
5.
6. Function: Calculator, very simple
7.
8. Author: Mister-Fett
9.
10. Revision: Version 1.0, distributed 9/17/04
11.*/
12.#include <iostream.h>
13.#include <conio.h>
14.int mc(int x, int y) //Multiply two numbers
15.{
16. cout <<"\n\n"<< x <<" times "<< y <<" equals ";
17. return (x*y);
18.}
19.int ac(int a, int b) //Add two numbers
20.{
21. cout <<"\n\n"<< a <<" plus "<< b <<" equals ";
22. return (a+b);
23.}
24.int sc(int z, int c) //Subtract two numbers
25.{
26. cout <<"\n\n"<< z <<" minus "<< c <<" equals ";
27. return (z-c);
28.}
29.int dc(int o, int t) //Divide two numbers
30.{
31. cout <<"\n\n"<< o <<" divided by "<< t <<" equals ";
32. return (o/t);
33.}
34.void calc(char choice)
35.{
36. int on,tw,thr;
37. if (choice == '+') //This whole block checks what the user wants to calculate, and refers to the proper routine to calculate it.
38. {
39. cout<<"You selected "<<choice<<". Please enter two numbers,\nsepperated by spaces,";
40. cout<<"that you want to add."<<endl;//print instructions for the user
41. cin>>on;//Get the value of variable on
42. cin>>tw;//Get the value of variable tw
43. thr=ac(on,tw);//Get the sum of on and tw, and assign that value to thr
44. cout<<thr<<"\n\n\n\aThanks for using my calculator!";//Print a thank you message
45. }
46. else if (choice =='-')
47. {
48. cout<<"You selected "<<choice<<". Please enter two numbers,\nsepperated by spaces, that you want to subtract."<<endl;
49. cin>>on;
50. cin>>tw;
51. thr=sc(on,tw);
52. cout<<thr<<"\n\n\n\aThanks for using my calculator!";
53. }
54. else if (choice =='*')
55. {
56. cout<<"You selected "<<choice<<". Please enter two numbers,\nsepperated by spaces, that you want to multiply."<<endl;
57. cin>>on;
58. cin>>tw;
59. thr=mc(on,tw);
60. cout<<thr<<"\n\n\n\aThanks for using my calculator!";
61. }
62. else if (choice =='/')
63. {
64. cout<<"You selected "<<choice<<". Please enter two numbers,\nsepperated by spaces, that you want to divide."<<endl;
65. cin>>on;
66. cin>>tw;
67. thr=dc(on,tw);
68. cout<<thr<<"\n\n\n\aThanks for using my calculator";
69. }
70. else
71. {
72. cout<<"\nPlease reenter that value.\n\a";
73. cin>>choice;
74. calc(choice,);
75. }
76.}
77.void main()
78.{
79. clrscr();
80. int one, two, three;
81. char choice;
82. while (choice != 'e')
83. {
84. cout<<"\nPlease enter +,-,*, or / and then two numbers,\nsepperated by spaces, that you wish to\nadd,subtract,multiply,or divide.\nType e and press enter to exit.";
85. cin>>choice;
86. if (choice != 'e')
87. {
88. calc(choice);
89. }
90. }
91.}
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