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Stores numeric data and program instructions.
For numeric entry, manual operation, and program compilation.
Manages computation and operation execution.
M, A, and R registers involved in arithmetic operations.
Registers B, C, D, E, F can be divided into two parts.
Controls storing instructions to memory or magnetic card.
Determines decimal places for calculation results in the A register.
Moves contents from a register to the A register.
Lists +, -, X, ÷, √, and absolute value capabilities.
Adds contents of a selected register to the A register.
Subtracts contents of a selected register from the A register.
Multiplies contents of M by contents of A.
Divides contents of A register by contents of M register.
Extracts the square root of M register contents.
Chooses alternatives based on A register contents (GT 0 or LE 0).
Enters program instructions into the computer via key presses.
Operates the Programma 101 as a standalone electronic calculator.
Specifies the input data format (Xi, Yi pairs) for the program.
Presents mathematical formulas for calculating program parameters.
Steps for setting decimal wheel and inserting program cards.
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