A digital tribute to the legendary Curta mechanical calculator. This simulator replicates the unique "stepped drum" logic of the world's smallest mechanical calculator, allowing for addition, subtraction, and multiplication through a series of rotations and slider adjustments.
A high-end digital tribute to the legendary Curta mechanical calculator. This counter mimics the tactile precision and industrial aesthetic of the "Math Pepper Mill," featuring a crank-based increment system, a clearing ring, and a dual-mode carriage for addition and subtraction.
A digital tribute to the legendary "Peppermill" mechanical calculator. This simulator replicates the unique stepped-drum mechanism of the Curta Type I, allowing you to perform addition, subtraction, multiplication, and division through mechanical-style interactions.
A digital homage to the legendary Curta mechanical calculator. This tool replicates the tactile feel of the "Math Pepper Grinder" with a vertical cylindrical interface, stepped drum logic, and a mechanical aesthetic. It features a sliding carriage, a hand crank animation, and a physical-style clearing ring.
A digital tribute to the legendary "Pepper Grinder" mechanical calculator invented by Curt Herzstark. This simulator replicates the unique stepped-drum mechanism, allowing you to perform addition, subtraction, and multiplication using the iconic crank-and-slider interface.
A professional financial tool designed to help entrepreneurs and freelancers automatically split their profits into Tax, Savings, Investment, and Operating Expense buckets based on customizable percentage rules.
An interactive Numberblocks calculator featuring "Pregnant 1" with a belly that rumbles (vibrates) continuously. Includes the Numberland Ambulance and the ability to deliver "Baby 1" by clicking the rumbling belly.