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Putting Ansers in Scientific Calculator

Reviewed by Calculator Editorial Team

Scientific calculators have a special ANS key that stores the last calculated result. This guide explains how to use ANS effectively in your calculations, including how to store, recall, and use intermediate results in complex equations.

What is the ANS key?

The ANS (Answer) key on scientific calculators serves as a memory register that stores the most recent calculation result. This feature is particularly useful when you need to use intermediate results in subsequent calculations without re-entering them manually.

ANS is automatically updated whenever you perform a calculation. The value remains in ANS until you perform another calculation or clear the calculator.

How to use the ANS key

Storing a result in ANS

Any calculation you perform on your scientific calculator automatically stores its result in ANS. For example:

  1. Enter 5 + 3 and press =. The result (8) is stored in ANS.
  2. Now you can use ANS in further calculations.

Recalling ANS in calculations

To use the stored ANS value in another calculation:

  1. Press the ANS key (often labeled as "Ans" or "ANSWER").
  2. Continue with your calculation, for example: ANS × 2.

Chaining calculations with ANS

You can chain multiple calculations using ANS:

  1. Calculate 10 + 5 = (result stored in ANS).
  2. Press ANS, then ×, then 3, then = (result is 45).

ANS is particularly useful when working with complex equations that require intermediate results.

Common uses of ANS

Physics calculations

In physics problems, you often need to use intermediate results:

  • Calculate velocity first, store in ANS, then use in distance calculation.
  • Find acceleration, store in ANS, then use in force calculation.

Engineering problems

Engineers frequently use ANS for:

  • Storing resistance values for circuit calculations.
  • Using intermediate values in structural analysis.

Financial calculations

In finance, ANS helps with:

  • Storing interest rates for compound interest calculations.
  • Using intermediate values in loan amortization schedules.

Troubleshooting ANS issues

ANS not updating

If ANS isn't updating:

  • Check that you've pressed = after each calculation.
  • Ensure you're not using the EXE (execute) key instead of ANS.

ANS showing wrong value

If ANS shows an incorrect value:

  • Clear the calculator (usually AC or C key).
  • Perform calculations again carefully.

ANS not working in complex equations

For complex equations, try:

  • Breaking the calculation into smaller steps.
  • Using the STO (store) function if available.

Frequently Asked Questions

What happens if I don't press = after a calculation?

If you don't press =, the result won't be stored in ANS. You'll need to complete the calculation to update ANS.

Can I store multiple values in ANS?

No, ANS only stores the most recent calculation result. For multiple values, use the STO function if available, or write them down.

Is ANS the same as memory?

ANS is different from memory registers. ANS stores the last result, while memory can store multiple values you explicitly save.

Can I use ANS in scientific notation?

Yes, ANS works with scientific notation. The stored value retains its format until you perform another calculation.