It feature simple navigation and programmable formula.

cCalc offers the following features :

• Number Keys and Basic Math Functions : Addition, Subtraction, Multiplication, Division.
• Programmable Formula : User-Defined Functions i.e Tax and Currency Conversion Functions
• Trigonometric Functions : Trigonometric/Inverse Trigonometric Functions (Sine, Cosine, Tangent/Arc Sine, Arc Cosine, Arc Tangent), Hyperbolic/Inverse Hyperbolic Functions. Degree/Radian/Grad mode for angle unit
• Common Mathematical Functions : Logarithm, Power, Exponential, Reciprocal, Square Root
• Pi Constant, Factorial Function
• Base-N mode and Logical Operations : Binary/Octal/Decimal/Hex base. OR/XOR/AND/NOT and MOD Functions
• General Functions : Clear Entry, All Clear, Sign Change
• Memory Functions : Memory In/Memory Recall/Memory Plus/Memory Minus/Memory Clear
• Parentheses : ()
• Precedence : Lower → Higher "1: OR 2: XOR 3: AND 4: +, - 5: /, *, MOD 6: x^y 7: NOT 8: f(x)"
• Pencil key/Shift key to switch function
• Copy to clipboard/Paste from clipboard
• User Theme background
• Support instant screen size change
• Support multi language
• Maping key text on button