- Effect of high relief on the keys and display. - A sound effect for every time a key is pressed. - Button to turn the sound. - In the left corner now you can see the current value in memory. WoodCalc Calculator will transform your iPod, iPhone or iPad into a beautiful calculator with sophisticated design of wood, it ideal for use in daily. WoodCalc has all the basic functions of a calculator. Function Keys: "C" = Clears the display. "mc" = Clears the memory. "m+" = Adds the display value with the value in memory and stores the result in memory. "m-" = Subtract the display value from the memory and stores the result in memory. "mr" = Read the value currently in memory and shows on display.