Never has calculating been so timeless, beautiful and efficient at the same time. You can maintain the realistic appearance but transform it into a stylish theme anytime, even in the middle of a calculation, just as you wish. Real Theme Calculator has been designed to match both the appearance and usability of a real handheld calculator. It includes all scientific functions plus supports four number systems for number enthusiasts. It accommodates binary, octal, decimal and hexadecimal calculations. Real Theme Calculator is very easy to use, avoiding multiple functions assigned to keys in the Free Version. Real Theme Calculator includes the following features: - Traditional basic arithmetic operations plus modulo (remainder of division) - Percentage calculations - Binary, octal, decimal and hexadecimal number systems (conversions and calculations) - Trigonometric functions - 2 display fonts: LCD-7-segment display and standard font display - 4 visual themes: DARK, LIGHT, AMBIANCE and METAL - Settings accessible in a modern side menu, swiping from left to right - Supports all types of screens (smartphones, tablets) and adjusts in size (keys, fonts, display) according to the device.