Calculator —
*\windows\system32\calc.exe*

Start → All Programs → Accessories → Calculator

Data can be entered by clicking the buttons or by pressing keys on the keyboard. All keys have keyboard equivalents; those key mappings that are not quite obvious (such as log) are documented in Table 3-1. Note that many of the functions are available only in Scientific mode (Table 3-2).

Table 3-1. Calculations and keyboard equivalents

Calc button |
Keyboard key |
Action |
---|---|---|

C |
Esc |
Clear all calculations |

CE |
Del |
Clear last entry |

Back |
Backspace |
Clear last digit |

MR |
Ctrl-R |
Display the number stored in memory |

MS |
Ctrl-M |
Store the current value in memory |

M+ |
Ctrl-P |
Add the current value to the number stored in memory |

MC |
Ctrl-L |
Clear the Memory |

+/- |
F9 |
Change the sign (negative) |

Table 3-2. Scientific calculation buttons and keyboard equivalents

Calc button |
Keyboard key |
Action |
---|---|---|

Inv |
i |
Sets the inverse function for sin, cos, tan, Pl,
x |

Hyp |
h |
Sets the hyperbolic function for sin, cos, and tan. |

F-E |
v |
Turns scientific notation on and off. Can only be used with decimal
numbers. Numbers larger than 10 |

( ) |
( ) |
Starts and ends a new level of parentheses. The maximum number of nested parentheses is 25. The current number of levels appears in the box above the ) button. |

dms |
m |
If the displayed number is in degrees, convert to degree-minute-second format. Use Inv + dms to reverse the operation. |

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