A colorful calculator with BIG buttons, LOTS of features, and fully customizable. ・Dual-line display - shows the input and result at the same time ・History tape - saves every calculation, time and date stamped ・Memory buttons - shows its value on the display ・Percentage and backspace button ・Scientific functions ・6 layouts (3 portrait, 3 landscape) ・10 color themes ・Multi-line input for really long equations ・Automatic scientific formatting ・Label any calculation in the history tape ・E-mail a calculation or the entire history tape ・VoiceOver accessibility ・iOS 9 Split View ・3D Touch ・Today Widget (In App Purchase) ・Multiple History Tapes (In App Purchase) Gestures ・Swipe down to see the history tape ・Tap & hold on the result to copy ・Tap & hold on the input to move the cursor, copy, paste Customize ・Font Size ・Bold Font ・Color Theme ・Light Tape Background ・Show Layout Button ・Allowable Layouts ・Show Memory Buttons ・Backspace Button (Solid, Arrow) ・Replace ÷ Button With / ・Replace E Button With Hidden, EE, 00, or 000 ・Show Thousands Separators ・Minimum Decimal Digits ・Maximum Decimal Digits ・Sound ・Equals Repeat ・Left-Handed Mode URL Scheme: calculatorhdpro://
Calculator has everything you need
Unless you’re an astrophysicist this calculator has everything you need for calculating everything needed! Yea! That’s a bit of a hyperbolic description, but it really does have everything you need: trig, algebra, and lots more, and the more mundane addition, subtraction, multiplication, and division. I’m an amateur astronomer and it can do all I need!!!
Wonderful calculator
This is a wonderful calculator. The interface is uncluttered and it's easy to use.
Reseña calculadora
Me encanta el diseño, la variedad de servicios. Es muy útil para mí. Gracias. Muy atractiva
Large Print
Very easy to ready numbers, more calculations, entry history
Versatility
Great calculator, in both the vertical format or the more advanced landscape format. E cellent!
Used for years. Love it
Excellent calculator for everything I need. Beautiful, simple to use
- Miscellaneous improvements.
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