Value Arithmetic
The Value Arithmetic command performs various arithmetic operations between an image and a numeric value, or "operand".
Open this dialog from the Process > Math menu.
 
Mira provides the following image arithmetic operations between an image and a numeric value.
Operations Between an Image and a Numeric Value
| Add | Adds the numeric value to the image pixel values. | 
| Subtract | Subtracts the numeric value from the image pixel values. | 
| Subtract From | Subtracts the image pixel values from the numeric value. | 
| Multiply | Multiples the image pixel value by the numeric value. | 
| Divide | Divides the image pixel values by the numeric value. | 
| Divide into | Divides the image pixel values into the numeric value. The result is set to Error Value if the value is 0.0. | 
| Blend | Blends the image pixel values and the numeric value by interpolation. | 
| Remainder | Computes the remainder of dividing the image pixel values by the numeric value. |