A complete lesson plan by Evan-Moor Publishing. For Grade 4, Grade 5, Grade 6. This lesson plan is sold separately and is not included with any subscription or study pack.

A calculator is generally defined as (1) any small handheld device that automatically performs arithmetic operations, certain mathematical functions, simple text editing, or elementary programming, or (2) a software program on a computer that simulates...

Throughout human history man has invented devices to make repetitive tasks, such as mathematical calculation, easier. For much of history, this was difficult. The advent of methods, which progressed to machines, to help with this dilemma made life much...

Within a few years of its invention in 1959, the integrated circuit (microchip)--tiny, complex electronic circuits on a single chip of silicon--had become reliable and inexpensive. The president of Texas Instruments, Patrick Haggerty, wanted to...

The calculator is a computing machine. Its purpose is to do mathematics; basic calculators do the basic mathematical functions (addition, subtraction, division, and multiplication) while the more advanced ones, which are relatively new in the history...

A calculator is a electronics device for performing mathematical calculations, distinguished from a computer generally by a limited problem domain and an interface optimized for interactive calculation rather than extensive programming. Calculators can...

The use of calculators by elementary students are being contested by a number of Americans as they think that this device prevents elementary schoolers from learning one of the basic educations. However, others argue that learning more of the uses of the calculator is...

Shipments of office calculators grow U. S. shipments of office calculators are expected to increase to more than nine million units in 1992. In that time, the factory value of these shipments will increase to more than $945 million. There are four...

I’m going to devote a few posts to the Larry Craig drama this morning, because it raises a variety of issues, some immediate and political, and others a bit more complex. The immediate political question is what effect this will have on ’08 Senate politics....

A widely used tool for predicting a woman's risk of breast cancer is getting an update — to better reflect black women's risk. At issue is the National Cancer Institute's online risk calculator. Answer a few questions — such as current age, age when your...