Calculator
A simple calculator for basic arithmetic.
Runs in your browser — your data never leaves your device
Frequently Asked Questions
What operations does the calculator support?
The calculator supports addition, subtraction, multiplication, division, exponentiation, square root, sine, cosine, tangent, logarithm (base 10 and natural), factorial, and pi.
How do I use scientific functions?
Type or compute a number, then click a scientific function button (sin, cos, tan, log, ln, sqrt, x²). The function is applied to the current display value.
How do I clear the calculator?
Click "AC" to clear all entries and start fresh. Click "C" to clear only the current entry while keeping the running calculation intact.
Is this calculator free?
Yes, ToolDock's calculator is completely free, requires no signup, and runs entirely in your browser.