iHandy Calculator HD Pro is the most elegant and powerful calculator ever designed for your iPad, the ONLY All-in-One calculator app with features like Scientific Mode, Sketch Pad, History Records and Custom Skins.

Enjoy the unique features of iHandy Calculator HD Pro:

- Use Sketch Pad for efficient group discussions and brainstormings
- Automatically save past calculations for future reference
- Choose from 5 gorgeous color skins
- Deal with sophisticated calculations with Scientific Calculator
- Share and email results/equations with just one tap
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Full Features:

★ Calculator ★
- Automatic landscape/portrait mode
- Basic/Scientific mode
- Display complete calculation expressions as you type

★ History ★
- View past results and equations
- Copy/Paste past expressions directly in the current calculation
- Add comments for equations
- Email results/equations with just one tap

★ Sketch Pad ★
- Sketch your thoughts and ideas on sketch pad, best for group discussions and brainstormings
- Share drawings with your friends via email

★ Skins ★
- Five gorgeous color skins available