CalcNote is a free calculator app, designed for smartphones. This app is designed to calculate numbers, letters, and other variables. You can easily write, calculate, and solve problems by using this app.

It's also designed to work like a word processor or a text editor, so you can write a text expression and see the result instantly. You can use the same expression on multiple lines, and it will still calculate and show you the result.

CalcNote also includes many useful mathematical functions, such as sine, cosine, and logarithmic. You can easily convert between different units, such as meters, feet, inches, pounds, and kilometers.