| Operations 1 | Operations 2 | Miscellaneous | RPN |
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Percentage
Calculates x% of y. The stack remains unchanged. |
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Percent Difference
Calculates the percent difference between y and x. The stack remains unchanged. |
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CLR
Clears the stack and the special storage registers related to financial functions (top row). |
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Exchange x and y
Swaps the contents of stack registers X and Y. |
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Roll Down
Rolls down and displays the stack registers in last-in, first-out order. Returns to original position with every fourth roll down operation. |
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 M,K |
Store Number
Followed by M or K: stores the displayed number in register M or K. |
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Recall register K
Recalls and displays the value stored in register K. Note that K is set automatically to 12 by default - useful for calculations involving interest rates and compounding periods. |
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 0..9 |
Fixed Decimal Notation
Shows the display value rounded to the number of decimal places specified. |
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Scientific Notation
Shows the display in scientific notation, without trailing zeros. |
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Recall Register M
Recalls and displays the value stored in register M. |
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Accumulation
Adds the display value to storage register M and shows the result in the display. |
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| (HP-70 HD: only if "Use Registers R0...R9" is on): | ||
| 0..9 |
Store Number in Register
Followed by 0, 1, 2, ... 9, stores displayed value in numbered register. |
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0..9 |
Recall Number from Register
Followed by 0, 1, 2, ... 9, recalls value from numbered register. |