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A simple calculation tool with PHP

Hi all,

I have a Google Doc spreadsheet where I make some ROI (return of investment) calculations. Simply I put a few values on the right pane and some other values are calculated (the four arithmetical operations) and displayed on the right pane.

Please see the attachment.

I need a PHP page that does the same thing. I'll publish it on my website.

I need a simple but elegant design. Would be great if you could show some previous work & design.

I need this to be done in a couple of days.

Source code should be clean and easy to understand (constant definitions etc) so my devs can change it later.

Thanks

Skills: PHP

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About the Employer:
( 4 reviews ) London, United Kingdom

Project ID: #4991234

31 freelancers are bidding on average £132 for this job

intelligencei

Hi! Thanks for posting this requirement. We are TOP RATED professionals at [url removed, login to view] working since 2004. We are experts with design and development works. You may refer to our reviews and ranking here: http More

£515 GBP in 20 days
(77 Reviews)
7.7
BLET

Dear Sir, I explored your requirement and the File which you shared. It is a nice mathematical project to work. I have developed many complex application so far and delivered perfectly. I have few queri More

£263 GBP in 10 days
(123 Reviews)
7.4
rajeshsonisl

Hello, With 99% completion rate, 600 successfully completed projects, and a 5.00 reputation... you can never go wrong choosing me :) I look forward to your reply. Thanks. Kind Regards, Rajesh Soni

£77 GBP in 1 day
(432 Reviews)
7.2
WebBizSolution

Dear Customer, We are European Website Development company (SafetyBis Ltd) can finish your project very fast and on professional level. Not the cheapest you will find, but I think you will find our pricing afforda More

£425 GBP in 3 days
(53 Reviews)
7.0
sritechnocrat

Hello Sri Technocrat will provide fully interactive application/website for your project. It will be developed as per your requirement document. We would invite your feedback and suggestions on the selected format s More

£105 GBP in 10 days
(48 Reviews)
6.9
khanhhuyna

Hi, I'm Huy. I'm happy to build this caculator with a pretty layout for you. I will need you help for formulas hence i'm not expert in this ROI area. Looking forward to work this for you. Thanks, Huy

£111 GBP in 3 days
(80 Reviews)
6.5
shihan033010

Hi I have checked the attachment. I can complete it within a day. Please accept the bid. I am ready to start it. Thanks Shihan

£55 GBP in 1 day
(229 Reviews)
6.3
harish1984

Hi, I have rich experience in PHP/MySQL since 6 years. I have done more than 80+ projects here on [url removed, login to view] with full client's satisfaction. I have gone through the details and made understanding of the projec More

£150 GBP in 3 days
(73 Reviews)
6.3
eathina

Hi, We are quite comfortable to work on your Project with our excellent team of Programmers & Designers. Please see PMB for our company Work & Experience. Thanks

£100 GBP in 2 days
(28 Reviews)
6.1
csajit

Hi there, I am interested in working on this project....please check my reviews and then decide on [url removed, login to view] work guaranteed. Thanks, Ajit

£63 GBP in 3 days
(132 Reviews)
5.7
cheapexcell

Hello, I will design & create an amazing page for you. Ready to start. Please let me know if you are interested. Thanks, Alex

£198 GBP in 3 days
(69 Reviews)
5.6
phpraza

Hi, I am a php/mysql developer with 2years of experience in development. gone through the attached image and ready to do it for you. Please contact me if you are interested. Thanks, Salman Raza

£100 GBP in 2 days
(89 Reviews)
5.6
infowaysl

Dear Hiring Manager, Glad to be part of your project. I have reviewed your proposal as well as your attachment. we can do this as we have previous experience of similar types of jobs. -Can I have a look on the s More

£120 GBP in 3 days
(14 Reviews)
5.7
abanipatra

Hi, I have good experience on PHP, mysql, jQuery etc. I would like to work on your project. Regards Abani

£105 GBP in 5 days
(67 Reviews)
5.3
descomgroup

Hi, I am PHP expert and can make your ROI calculator in PHP as you need. Please see our Websites Portfolio: [url removed, login to view] [url removed, login to view] [url removed, login to view] [url removed, login to view] More

£100 GBP in 3 days
(5 Reviews)
4.8
deepakc147

I have experience of 7+years PHP, Wordpress development. We are expert in php, wordpress, codeigniter, Opencart, Magento, DRUPAL, CakePHP, mysql, javascript using jquery, html5, css3, bootstrap, photoshop and psd to ht More

£164 GBP in 3 days
(27 Reviews)
4.7
subhomayb

Simple job to perform. Will require the excell too to understand the formulas if you dont mind. Please invite us for a conversation so that we can shake hands soon. Few of our projects delivered to our clients in la More

£139 GBP in 3 days
(12 Reviews)
4.6
eComOS

Hello LND, I have read your requirements, I'm a PHP Expert Developer and I am very confident to do this project. I guarantee complete satisfaction before payment. Please check PM for more details, Thank you!

£70 GBP in 0 days
(34 Reviews)
4.5
safakerol

Hello i have build something like this before. It was a joomla extension. IO think i can develop this in a few hours. Is prozedual enough or would you like oop? And which is yout site so i can have a look for the desig More

£88 GBP in 1 day
(21 Reviews)
4.1
mnganisl

Greetings, I read and understand the your project requirement. I have 7 years experience in developing dynamic web and windows applications. So I can manage your project easily. I will give you the best work P More

£55 GBP in 0 days
(11 Reviews)
3.9