# Math Calculators

Q:

## How Do You Convert Square Feet to Square Meters?

A:

Changing square feet to square meters requires use of basic conversion where one square meter equals 10.76 square feet. Hence, one square foot equals approximately 0.093 square meters. A house that has 2,500 square feet is 232.5 square meters in size.

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• #### Q:What Do the Keys on a Calculator Mean?

A: There are many kinds of calculators, but most calculators have the same standard keys that allow users to complete a variety of calculations. The number keys and addition, subtraction, multiplication, division and equal signs are all very straightforward, but the functions of the other keys are not so well-known.
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• #### Q:What Is the Difference Between Qualitative and Quantitative Analysis?

A: Qualitative analysis is the scientific study of data that can be observed, but not measured. It is concerned with cataloguing the qualities of what is studied. Quantitative analysis is the study of data that can be measured, the quantities of a category of data. Each type of inquiry contributes important insights to scientific study that the other cannot.
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• #### Q:What Does the Word "term" Mean in Mathematics?

A: The word "term" is used in mathematical equations to describe either a single number, or numbers and variables multiplied together. Numerical terms are then grouped into expressions to come up with a definitive answer to the equation.
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• #### Q:What Is a Real World Example for a Absolute Function?

A: A real world example of an absolute value function is any calculation in which the total depends upon simple addition of all the quantities in the function, regardless of sign. One example of such a calculation is the number of feet traveled by an athlete running around a race track.
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• #### Q:What Are Some Early Counting Devices?

A: Two early counting devices were the abacus and the Antikythera mechanism. The abacus and similar counting devices were in use across many nations and cultures. The Antikythera mechanism hails from the Greek island of Antikythera.
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• #### Q:How Can You Calculate the Mass of a Known Number of Atoms of an Element?

A: To calculate the mass of a specific number of atoms of an element, divide the number of atoms by 6.02 x 1023 and then multiply by the molar mass of the element. The process for calculating mass from the number of atoms is the same for all elements.
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• #### Q:How Do You Convert Square Feet to Square Meters?

A: Changing square feet to square meters requires use of basic conversion where one square meter equals 10.76 square feet. Hence, one square foot equals approximately 0.093 square meters. A house that has 2,500 square feet is 232.5 square meters in size.
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• #### Q:What Is the Formula to Convert Lbs to Kg?

A: The formula to convert kilograms to pounds is pound = kilogram/0.45359237. Conversely, the formula is kilogram = pound x 0.45359237. One kilogram is equal to roughly 2.2 pounds, and 1 pound is roughly 454 grams.
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• #### Q:Where Is the Abacus Still Used Today?

A: The abacus is a basic mathematical computing device. It is still widely used today in Africa, Japan, Russia, China and other countries as a visual aid to facilitate the learning of mathematical concepts.
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• #### Q:What Is the Formula Used to Find Percent Recovery?

A: When purifying a substance in chemistry, use (collected mass/starting mass)*100 to calculate percent recovery. This formula is also commonly stated as (pure product recovered/crude material used)*100.
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• #### Q:What Is the Formula Used to Find the Area of an Isosceles Triangle?

A: The common formula to find the area of an isosceles triangle is area equals 1/2 * base * height of triangle. The height is the line bisecting the two equal sides of the triangle and intersects the midpoint of the base.
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• #### Q:What Activities Does Think Through Math Offer?

A: Think Through Math offers a number of activities designed to motivate students in grades 3 and above to want to learn math, including games and theme-based contests. Students also have the ability to earn points that they can use to customize avatars and program dashboards or donate to charities.
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• #### Q:How Do You Use a Number Pattern Calculator?

A: Simple-to-use number-pattern calculators for data sets such as arithmetic sequences and geometric sequences can be found on Calculator.net. In these calculators and similar tools, a missing value of a number sequence is calculated when a user specifies the defining pattern behind the set of numbers and selects the appropriate variables. AlteredQualia.com contains a number sequence solver that computes the defining pattern behind a valid set of numbers entered by a user.
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• #### Q:What Is the Value of 68 Centimeters in Inches?

A: The equivalent value of 68 centimeters is approximately 26.77 or 26 49/64 inches. It is also the equivalent of 2.23 feet. One inch is the equivalent of 2.54 centimeters, and one foot equals 30.48 centimeters.
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• #### Q:What Is 48 Inches in Feet?

A: A measurement of 48 inches is equivalent to 4 feet. Converting from inches to feet can be done by dividing the number of inches by 12, as 12 inches is equivalent to 1 foot.
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• #### Q:What Does Water Do at a Temperature of 273 Degrees Kelvin?

A: Water freezes at 273 Kelvin. Kelvin is a temperature scale named after William Thomson, also called Lord Kelvin. The Kelvin scale starts at zero, the lowest possible temperature.
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• #### Q:How Do You Use an Online Calculator?

A: Online calculators are used in the same manner as hand-held calculators. Calculations can be formulated online or the calculator can be downloaded to your computer. The numbers that require calculation can be inputted from the computer keyboard. Enlarged versions are available for individuals with weak eyesight.
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• #### Q:How Do You Convert 161 Lbs to Kg?

A: To convert 161 pounds (lbs) to kilograms (kg) simply divide 161 by 2.2046, which equals 73.028. The conversion rate between pounds and kilograms is 1 kg = 2.2046 lbs.
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• #### Q:What Is 400 Meters Equal To?

A: A length of 400 meters is usually used to approximate 1/4 of a mile, especially in track races. Converting 400 meters to miles results in a value of exactly 0.2486 miles, according to Engineering Toolbox.
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• #### Q:How Do You Calculate the Length of a Stair Stringer?

A: In general terms, the length of a stringer for a stairs is 14 inches for every step. For a more precise calculation, you need the know the height of the riser and the width of the tread for the steps.
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• #### Q:What Are Some Good Calculators for Math?

A: Some good math calculators are the TI-Nspire CX Cas, TI-84 Plus C Silver Edition, Casio Prizm, HP Prime and TI-89 Titanium. These calculators are capable of handling basic arithmetic, complex scientific formulas and graphing.
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