1. VIGNAN'S NIRULA INSTITUTE OF TECHNOLOGY & SCIENCE FOR WOMEN TOOLS LINKS PRESENTED BY 1.P.NAVEENA09NN1A1247 2.A.SOUJANYA09NN1A1203 3.R.PRASANNA09NN1A1251 4.B.DIVYA09NN1A1209 U NDER THE GUIDANCE OF K.V.S.S.RAMAKRISHNA Asst.Professor A PROJECT REPORT ON 1

2. ABSTRACT Tools links is an application which provides services to both technical and nontechnical people. This provides an interface to access almost all kinds of calculators and converters. This also provides some basic information about almost every topic of science and technology. The main purpose of this application is to provide the tools like calculators and convertors at a single place. Tools links is also called as “Tech Helper”. 2

3. INTRODUCTION Tools links is a web application which has almost all the technical information, formulae. It also provides converters,calculators and information about them at a place. Users should be able to use these conversion tools with ease. By using this application users can get useful information before performing their required conversions and calculations. 3

4. OBJECTIVE Earlier, the calculations are to be made manually and there’s no single platform where one can find all the required information about any topic of science and technology. Various tools were available but not at single place. Accessing the tools was also a difficult job for non- technical people. 4

5. PURPOSE This web application is very much useful to the students as well as nontechnical people. By using this application users can perform conversions and calculations very easily. Operations are performed by just entering the value. It also provide basic information about those tools and technologies. 5

6. EXISTING SYSTEM & DISADVANTAGES Existing system was the manual system. In this manual system user must perform operations by remembering corresponding formulae. This doesn’t provide any information about the tools which is desired by user. There is a problem for users to perform operations by their own. DISADVANTAGES: No reliability. Problems with remembering formulae. High error rate. User should perform whole work. Difficult to compute. 6

7. PROPOSED SYSTEM & ADVANTAGES In proposed system, all the operation which are desired by the user are performed by the system itself. The user just need to enter the values on which he/she wants to perform the calculations. The system takes the value as input and perform required calculation. The result is displayed instantly on screen. ADVANTAGES: High reliability. High accuracy. Less effort. Less time to compute. 7

8. SPECIFICATIONS SOFTWARE REQUIREMENTS: Operating system : Windows Front end : PHP Back end : Mysql Browser : Mozilla Firefox or Internet explorer HARDWARE REQUIREMENTS: RAM :512MB Hard disk :10GB Processor :Pentium IV 8

9. MODULES In proposed system we have two modules: 1. Admin 2.User ADMIN FUNCTIONALITIES: Admin controls the whole system. He maintains all the information about the technologies and conversion tools. He can add users to access this application. He can insert, modify and delete new tools as well as description about new technologies. 9

10. User Functionalities After registering of user he can access the system. He can perform calculations which he wants. He can also know about new technologies. He can compute all operations accurately with in a less time. 10

11. USE CASE DIAGRAM 11

12. CLASS DIAGRAM 12

13. 13 SEQUENCE DIAGRAM FOR WHOLE SYSTEM

14. 14 USER ACTIVITY DIAGRAM

15. Home Page 15

16. TESTING Finding errors: Missing operations. A complete verification to determine whether the objectives are met. The user requirements are satisfied. Applied testings: 1. Unit Testing 2. Validation Testing 16

17. 17 Input a

18. 18 Output

19. CONCLUSION Tech helper is a core component built to help the users to make all kinds of scientific calculations and conversions. Users can also get some basic information about some prominent topics of science and technology. Moreover, this application was developed in such a way that any further modifications needed can be easily done like when there’s any technology upgrade. 19

20. FUTURE ENHANCEMENTS In future we are planning to Provide Software as downloadable file on user’s request. Add some sample programs wherever required and an interface to execute the sample programs which helps the user to have a more clear understanding of it. 20