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- Display.
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- The results of your calculations and the status of the calculator are displayed here.
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- Get a key's second function by clicking here first.
- You get the same effect by holding the shift key down.
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- Compute the factorial of any integer from 0 to 1750.
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- 2nd function:
- Enter the value of Ï.
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- Compute the exponential with base e.
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- 2nd function:
- Compute the logarithm with base e.
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- Compute the exponential with base 10.
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- 2nd function:
- Compute the logarithm with base 10.
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- Clear the display by clicking once, clear all pending calculations by clicking twice.
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- Compute the hyperbolic sin, cos or tan by clicking here first.
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- Compute the sine.
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- 2nd function:
- Compute the inverse sine.
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- Compute the cosine.
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- 2nd function:
- Compute the inverse cosine.
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- Compute the tangent.
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- 2nd function:
- Compute the inverse tangent.
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- Shift between measuring angles in degrees or radians. The current setting is shown in the display.
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- 2nd function:
- Shift between measuring angles in degrees or radians, converting the displayed value from one to the other at the same time.
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- Use these parentheses to change the usual order of operations.
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- Compute the reciprocal.
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- 2nd function:
- Compute the cube root.
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- Compute the square.
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- 2nd function:
- Compute the square root.
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- Compute a general power. Enter y, click on this key, then enter x.
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- 2nd function:
- Compute a general root.
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- Compute the quotient.
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- 2nd function:
- Exchange the operands of a binary operation, i.e., exchange the display value with the value that it will be added to, subtracted from, etc.
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- Use the displayed value as a data point for statistics.
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- 2nd function:
- Remove the displayed value as a data point for statistics.
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- Enter the digit seven.
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- 2nd function:
- Compute the average of the data points.
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- Enter the digit eight.
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- 2nd function:
- Compute the standard deviation of the data points.
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- Enter the digit nine.
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- 2nd function:
- Compute the (n-1)-weighted standard deviation of the data points (look it up in a good statistics book under unbiased estimators).
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- Compute the product.
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- 2nd function:
- Compute a percentage (this really justs divides the displayed value by 100).
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- Store the displayed value in one of ten memory locations. Click one of the digits after clicking here to specify which memory location.
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- 2nd function:
- Recall the value stored in one of the memory locations. Click a digit after this to specify which.
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- Enter the digit four.
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- Enter the digit five.
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- 2nd function:
- Display the number of data points entered for statistics.
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- Enter the digit six.
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- 2nd function:
- Clear the statistics.
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- Compute the difference.
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- Switch between entering the mantissa and the exponent.
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- 2nd function:
- Clear the ten memory locations.
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- Enter the digit one.
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- Enter the digit two.
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- 2nd function:
- Display answers in floating point notation.
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- Enter the digit three.
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- 2nd function:
- Display answers in scientific notation.
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- Compute the sum.
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- Remove the last digit entered.
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- Change the sign of the display or its exponent.
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- Enter the digit zero.
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- Enter a decimal point.
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- Perform all pending calculations and display the answer.
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