# CALC 1 General Chain Mode Calculator

This is a general calculator that features a K (Constant) key for repetitive operations.

See the Calculations Using the Chain (CHN) Calculation Mode

## K Example of Storing "+2" as a constant

To |
Press |
Display |

Enter a formula |
5+2 |
5.00+2 |

Store the operator and right hand value and evaluate the formula. Note that the "K" flag will appear at the top right of the display. |
K |
7.00 |

Add 2 to 6 |
6 = |
8.00 |

Add 2 to 7 |
7= |
9.00 |

With CALC 1 there is no need to tap "=" after pressing the "K" key.

A
"K" flag is displayed in the upper right part of the display when the "K Mode" is active.

The CALC 1 History records the full formula.

Valid operators are +, -, ×, ÷, with or without % and ^.

The K mode is active until another operator is entered. The "K" flag will no longer appear.

Note that the K mode only works with the Chain (CHN) Calculation Mode

## K Example of Storing "+5%" as a constant

To |
Press |
Display |

Enter a formula |
10+5% |
10.00+.050 |

Store the operator and right hand value and evaluate the formula. Note that the "K" flag will appear at the top right of the display. |
K |
10.50 |

Add 5% to 6 |
6 = |
6.30 |

Add 5% to 25 |
25= |
26.25 |

The History will display the following for "Add 5% to 25":

Formula:

25+5.00%

Result = 26.25

Also see

Storing and Recalling Numbers.

Register Arithmetic