I noticed that most calculator created with PHP doesn't actually look and behave like a really calculator and I challenged myself to create something that will, I hoped to find something simple to ...

1] BASIC calci So this is the basic one even a baby knows this , i dont remember what i did but lets trust the JS library 2 ] SCIENTIFIC Calci OOOOOOhhhh , a gadget worth 1000 rs for free , pretty ...