Calculator Soup
Calculator Soup: Square Pyramid Calculator
Use this calculator to determine the volume, surface area, or other figure for a square pyramid, given the other numbers. Users set their parameters for two known variables of the pyramid and find what the unknown amounts would be.
Science Buddies
Science Buddies: Writing a Simple Calculator Program With Java Script
This is a good first-time programming project. You'll learn how to use JavaScript to create a basic calculator program that you can run in your Web browser.
BioEd Online
Bio Ed Online: Calculating Exponential Growth
Disease is a breakdown in structures or functions of an organism. Some diseases are the result of damage by infection by other organisms. In this activity learners read an essay, "It's All in the Numbers," about the rapid spread of HIV...
Other
Mainland Aggregates, Ltd: Many Uses of Sand
This infographic includes a calculation for how many grains of sand are on the Earth. It discusses what sand is, its history of use by humans, and its many uses in modern times.
Calculator Soup
Calculator Soup: Three Dimensional Distance Calculator
Use this calculator to calculate the distance between 2 points by entering 2 sets of coordinates in the 3-dimensional Cartesian coordinate system, (X1, Y1, Z1) and (X2, Y2, Z2), to get the distance formula calculation for the 2 points...
Calculator Soup
Calculator Soup: Right Triangles Calculator
Use this calculator to find the unknown angles in a right triangle using the Pythagorean Theorem. Once you know the sides you can calculate the perimeter, semiperimeter, area, and the altitudes.
Calculator Soup
Calculator Soup: Rectangle Calculator
Use this calculator if you know 2 values for the rectangle, including 1 side length, along with area, perimeter, or diagonals and you can calculate the other 3 rectangle variables. A square calculator is a special case of the rectangle...
Calculator Soup
Calculator Soup: Regular Polygon Calculator
Use this calculator to calculate properties of a regular polygon. Enter any 1 variable plus the number of sides or the polygon name. Calculates side length, inradius, circumradius, area, and perimeter.
Council for Economic Education
Econ Ed Link: Calculating Simple Interest
How do banks calculate the amount of interest paid on a loan? In this lesson, students will view a Livescribe Pencast to learn how to find the dollar amount in interest that is due at maturity. This lesson uses different time periods...
Better Lesson
Better Lesson: Using Area as an Architect (Stations Day 1)
In this multi-day activity, 3rd graders make 3 different models of an orphanage floor plan using Google Drawing, Virtual Graph paper, and a construction of rectilinear shapes, to calculate the area of each room using units square.
Other
Measuring Worth: What Was the Gdp Then?
Use this calculator to figure out nominal GDP, real GDP, the GDP deflator, population, nominal GDP per capita, and real GDP per capita between any years from 1790 to 2005.
Other
Csg Network: Csg Volume Calculator: Triangular Prism
Use this calculator tool to find the volume in cubic units of a triangular prism.
Varsity Tutors
Varsity Tutors: Hotmath: Graphing Calculator Practice Problems: Geometry
Practice using your graphing calculator for geometry problems, including the use of the Pythagorean Theorem and the distance formula. If you get stumped or if you would like to check your work, then select the View Solution button, which...
Math.com
Computer Romanus: Roman Numeral Calculator
This site has a calculator that uses only Roman Numerals! There is also an explanation of the number symbols for reference.
Texas Instruments
Texas Instruments: Identifying Types of Correlation From a Graph and Calculator
Students will identify different types of correlations graphically and by using the linear regression analysis obtained from a TI-84 Plus calculator. Students will also obtain and know the significance of a correlation coefficient as a...
Concord Consortium
Concord Consortium: Calculating Current in Parallel Circuits
Use Ohm's Law to calculate the current in parallel circuits.
Oswego City School District
Regents Exam Prep Center: Solving Systems Using Addition or Subtraction
Three examples are used to demonstrate solving a system of linear equations algebraically using addition and subtraction. The examples cover different situations that occur with the coefficients of the variable terms. Includes several...
CK-12 Foundation
Ck 12: Algebra: Solving Linear Systems Using Matrices and Technology
[Free Registration/Login may be required to access all resource tools.] This lesson covers using a graphing calculator and matrices to solve a system of equations.
Science Buddies
Science Buddies: Calculating the Circumference of the Earth
In this project, you will estimate the circumference of the earth, using a method developed about 2,200 years ago, by Eratosthenes, a Greek mathematician and the librarian of the great library at Alexandria, in Egypt.
Alabama Learning Exchange
Alex: Let's Go Shopping!
This lesson will give students practice with adding and subtracting money using a calculator. It will provide them an opportunity to determine savings using a store coupon, and determine the change they should recieve when making...
Calculator Soup
Calculator Soup: Square Calculator
Use this square calculator to find the side length, diagonal length, perimeter, or area of a geometric square. Given any 1 variable you can calculate the other 3 unknowns.
Science Struck
Science Struck: A Simple Guide on How to Calculate Theoretical Yield
Explains vocabulary used when talking about the yield of a chemical reaction and models how to calculate the theoretical and the percentage yield in an example problem.
Khan Academy
Khan Academy: Calculating the Median
Practice finding the median of a data set. Students are able to check their answers, view a solution, and watch a video or use a hint.
CK-12 Foundation
Ck 12: Probability: Exponential Distributions
[Free Registration/Login may be required to access all resource tools.] Covers exponential distributions. Presents examples using a graphing calculator as well as guided and independent practice questions.