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Storing and Recalling Numbers

CALC 1 has 2 ways of storing and recalling numbers, using the and keys, and an automatic stack.

Using the STO and RCL keys

The key copies the value from the x register into a storage variable. Storage variables a-z are general purpose user variables.

Also, depending on the calculator, other values for that calculator can be stored.

The key copies the value from the storage variable into the x register.

When entering a formula, the variables can be used in the formula by tapping RCL Key followed by the variable key.

The results of a formula can be stored in a variable by tapping STO Key"var name" , followed by the formula.

The financial calculators have variables that they use to store the interest rate, present value and so on. These begin with "fv".

Each conversion calculator has a variable to store the value be converted in the standard SI unit. These begin with "cn"

 

Using the "long press" gesture will display a hint about any key. (Video: Displaying a hint) You can inspect the Key Details to see the formulas and functions for any key.