## Exploring with pocket calculatorsDiscusses the history, operating procedures, and uses of pocket calculators. |

### What people are saying - Write a review

We haven't found any reviews in the usual places.

### Contents

Exploring Computing Devices | 9 |

Exploring Pocket Calculators | 30 |

Exploring Tricks with the Pocket Calculator | 46 |

Copyright | |

2 other sections not shown

### Common terms and phrases

20 centimeters high 9|qlS sod abacus took Analytical Engine arrows and find Babbage-s bird house bottom ruler Brand Y costs calculating devices calculator will print Calculators print numbers Calculators show CE/C key centi checkbook convert metric units count the number Courtesy customary units diagonal lines display Don-t forget electronic desk calculators Enter 62 equal key Exploring with Pocket fingers four-function calculator g Cereal Going from right Hewlett-Packard index rod integrated circuit key erases keyboard kilogram largest answer lators Leibnitz Let-s try lﬁl mathematician Melissa and Jacque meter rulers Metos multiply numbers Napier-s bones Napier-s rods National Semiconductor number rule original number Pascal-s machine path only once path which gives pebbles Pocket Calculator Let-s pre-programmed calculator Push the clear push the equal reckoning machine slide rule solve Special Functions special keys square root strip sums and differences swer Thomas H today-s top ruler Truman Henry weight