Is the XL-Factor Scientific Calculator free to use?

Yes, the scientific calculator is completely free. You can use it for all your calculations without any cost.

What functions does the calculator support?

The calculator supports over 50 scientific functions, including trigonometric, logarithmic, and exponential functions, among others.

Can I download my calculation history?

Yes, you can download your calculation history as an Excel file (.xlsx) by clicking the 'Download to Excel' button.

Is keyboard input supported?

Yes, the calculator supports keyboard input for numbers, operators, and many functions. It also supports a shortcut to reset using Ctrl+R.

How accurate are the calculations?

The calculations are performed with high precision to ensure accurate results for complex scientific equations.

Scientific Calculator

Perform advanced calculations and download your results as an Excel spreadsheet for record-keeping and analysis.

Calculation History

Save Your Calculations

Download your complete calculation history as an Excel file for your records, reports, or further analysis.

Includes all calculations with timestamps and results

How to Use This Tool

1. Use the calculator buttons to enter your equation

2. Press "=" to calculate the result

3. All calculations are saved in the history section

4. Click "Download as Excel" to save your calculation history

5. Use "AC" to clear the current calculation

6. Use "Reset" to clear everything and start fresh

7. For trigonometric functions, angles are in radians

8. Use parentheses to control order of operations

What's the difference between AC and Reset?+

"AC" clears only the current calculation, while "Reset" clears both the current calculation and the entire history.

How many calculations are saved?+

The calculator saves up to 50 recent calculations in your session. When you download as Excel, all calculations are included.

Are trigonometric functions in degrees or radians?+

All trigonometric functions work with radians. To use degrees, multiply by π/180 (e.g., sin(45*Math.PI/180)).

Can I edit the Excel file?+

Yes! The downloaded Excel file is fully editable. You can add more calculations, format cells, or add notes.

Is there a keyboard shortcut?+

Yes, you can use your keyboard to enter numbers and operators. See the "Shortcuts" tab for details.

Keyboard Shortcuts:

0-9: Enter numbers

+ - * /: Basic operators

( ): Parentheses

Enter: Calculate (=)

Escape: Clear (AC)

Backspace: Delete last character

Ctrl+R: Reset calculator

p: π

e: Euler's number

s: sin

c: cos

t: tan

l: ln

L: log10

q: sqrt

^: Power (x^y)

!: Factorial