noise calculator

HP-41C/CV calculator emulator.

Powerful calculator with a simple console interface.

Single-color calculator with big convenient buttons.

Photo Calculator for Mac contains depth of field tables and more.

Fertility calculator.

Ambient sounds to relax or sleep.

Quickly determine the perimeter and area of multiple geometric shapes.

Calculates from any one of price exclusive GST, GST, and price inclusive GST

Perform basing operations on video timings

Estimate how many calories your body burns at rest.