This app can be viewed in landscape mode as well on your iPad and the most important point is that it has scientific calculator mode as well. So this app has a two in one capability. The ads can be removed in Paid version.
It is a simple large faced calculator for your iPad or iPad 2. Jumbo Calculator is designed for simple and daily use with nice interface. You can view it in landscape mode as well.
iCalculator HD Free is a colorful, practical scientific calculator specifically designed for iPad or iPad 2. It has both functionalities of a simple calculator to help you deal with simple figures in daily life, and scientific computing functionalities, such as Sin, Cos, Tan, Log, X square, cube. Therefore it can be your good companion once you need to perform basic or scientific calculations on the device.
PC Lite calculator app is much closer in appearance with Calculator for iPad Free. There are some other add ons which you get via InApp Purchases such as conversion tables, themes, Engineer Pack. Otherwise it is one of the best options in calculator for simple as well as scientific use. If you do not require the calculator for scientific purposes then do not go for this app.
This is a great app with lot many features. This is also a universal app and contains a lot many options which a Free user requires. This Lite version includes 5 templates plus while the Pro version offers hundreds of add-ons plus create an unlimited number of templates.
Big Free calculator app is another dedicated and specially designed for iPad application. The app is designed with lot many features but has more focus towards a home user instead of targeting professionals. But if you upgrade to Pro Version more features are waiting ahead. You have the option to view the calculator in Landscape as well as in Portrait mode.
Another simple yet useful app for your iPad. Calculator HD free is a calculator specifically designed for school children. It can help kids better and easier learn how to use calculators, and get hold of simple math calculations alongwith a beautiful interface.