An ``image'' may be either a 2-D image array or a 1-D spectrum vector. The
commands for one- or two-image arithmetic are:
- ADD
- add two images or an image and a constant.
- SUBTRACT
- subtract two images or subtract a constant and a
image.
- MULTIPLY
- multiply two images or an image and a constant
- DIVIDE
- divide two images or divide an image by a constant.
- SQRT
- square root
- LOG
- base-10 logarithm
- LN
- natural logarithm
- EXP
- exponentiate image (eîmage): LOG INV does 10îmage
- TAN
- tangent
- ARCTAN
- inverse of TAN
- SIN
- sine
- COS
- cosine
- NINT
- nearest integer
- ONEOVER
- invert (1/x)