Search results

Create reusable chart conditions and filter stock watchlists

Organize dividend portfolios and compare income-growth scenarios

Sketches and photo collages organised into synced journals

Change PDF paper size, image resolution, margins, and page layout

Maths revision videos, guided courses, paper practice and worked-solution resources.

Standard, scientific, programmer and date calculations

Android scientific calculation with symbolic and graphical tools

A handheld-style scientific calculator for Android

Linked mathematical views for algebra, geometry and graphs

Cloud-service cost estimates with inspectable assumptions

Azure cost scenarios from selected services and usage

Free voice calculator you speak to, in the browser or on iPhone.

Formulas and notes arranged on a mathematical worksheet

Monthly cost scenarios for planned cloud workloads

Topic-based calculators for practical questions

Mathematics and practical calculators by subject

Arithmetic, finance and programming modes in one app

Integration with visible input, steps and graphs

A searchable catalogue of calculations and conversions

Air-travel carbon estimates with a published methodology

A maintained HP-42S calculator simulator

Visual calculator forms with custom price rules

Graph equations, inspect points and evaluate functions

Children's paper crafts, preschool projects and seasonal making ideas.