Calculator designed to execute mathematical operations specific to science and technology.
cursor movement keys
Keys used to move the cursor around the screen.
Part of the screen that shows the solution to the problem.
Part of the screen that shows the problem to be solved.
Specialized calculations include square root, trigonometry and logarithms.
Basic calculations include adding, subtracting, multiplying and dividing.
access to the second level of operations
Key used to select a second function controlled by a key.
second level of operations
All the supplementary functions listed above the keys and accessible using the access to the second level of operations.
first level of operations
All the operations directly controlled by the scientific calculator keys.