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The GED Calculator How to Use it

Weiss Videos・33 minutes read

The official calculator for the GED math test is the Texas Instruments TI-30XS, which can boost your score by up to three points. It is essential to understand the various functions and settings, such as converting fractions, handling negative numbers, and working with scientific notation efficiently, to excel in the test.

Insights

  • Becoming proficient with the Texas Instruments TI-30XS calculator can boost your GED math test score by up to three points, enhancing your performance significantly.
  • The TI-30XS calculator offers a range of functions from converting fractions to decimals, handling negative numbers effectively, simplifying square roots, and managing scientific notation, making it a versatile tool for various mathematical calculations.

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Recent questions

  • What is the recommended calculator for the GED math test?

    Texas Instruments TI-30XS

  • How many questions on the GED math test allow calculator use?

    41

  • How can fractions be added on the TI-30XS calculator?

    Ensure correct cursor position

  • How can negative numbers be squared on the TI-30XS calculator?

    Enclose in parentheses

  • How can scientific notation numbers be converted on the TI-30XS calculator?

    Input number, set to normal notation

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Summary

00:00

Master the TI-30XS for GED math.

  • The official calculator for the GED math test is the Texas Instruments TI-30XS, available for purchase on various platforms like Amazon and eBay.
  • Becoming proficient with this calculator can enhance your math test score by up to three points.
  • On the GED math test, there are 46 questions, with 41 allowing calculator use.
  • The default settings on the TI-30XS should be norm, degree, norm float, and math print.
  • To access green wordings or symbols on the calculator, press the second button before the desired button.
  • Use the quit button to return to the home screen from any function.
  • To add fractions on the calculator, ensure the cursor is in the correct position before inputting numbers.
  • The calculator automatically reduces fractions and provides answers in simplified form.
  • Converting fractions to decimals can be done using the toggle button or the fraction to decimal function.
  • Mixed fractions and improper fractions can be easily converted back and forth on the calculator.

17:52

Mastering Square Roots and Squares with Ease

  • To square a number, ensure to enclose negative numbers in parentheses to avoid negative results.
  • When squaring, using parentheses around negative numbers yields positive results.
  • For fractions, input the fraction within parentheses, ensuring to navigate the cursor correctly.
  • The square root symbol is accessed by hitting the second button above the x squared key.
  • The square root of 81 is 9, while the negative square root of 81 is -9.
  • Attempting to calculate the square root of a negative number within the square root symbol results in an error.
  • Simplifying square roots may lead to expressions like 2 square root 6, which can be converted to decimals.
  • Utilize the square root and square functions to solve equations involving squares and square roots.
  • Negative numbers in calculations can be handled by correctly inputting subtraction signs and parentheses.
  • Calculators can efficiently determine mean and median by inputting data into lists and using the stat function.

35:33

Converting, Adding, and Rounding Numbers in Calculators

  • To convert numbers from scientific notation to standard notation, input the number in scientific notation and ensure the calculator is set to normal notation mode. For example, 9 x 10^-7 equals 0.0000009 in standard notation.
  • When adding numbers in scientific notation, like 5.6 x 10^2 + 8 x 10^4, the result is 8.056 x 10^4 in scientific notation and 80,560 in standard notation.
  • Multiplying large numbers, such as 877,400 x 68,000, may result in the calculator displaying the answer in scientific notation due to the size of the product, even if the calculator is set to normal notation mode.
  • To round numbers on the calculator, adjust the float setting to round to the nearest whole number, tenths, hundredths, or thousandths place. Reset the calculator to default settings by selecting the float setting with no numbers highlighted or by resetting the memory to clear previous settings.
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