Calculator Plus

Garage Sale Checkout

Calculator (Kindle Fire Edition)

Pipe Friction Factor

RealCalc Plus

Bible Gematria

All-In-One Calculator

Free Advanced Scientific Calculator - Expression Mode - Up To 100 Decimal for Student and Teacher, Operations for Basic Mathematics such as Addition, Subtraction, Division, Multiplication, and Modulus

Lateral Pipe Calculator

A Financial RPN Calculator (HP-12C likewise)