Used as a check digit in ISBN for 10-digit ISBNs. Briefly proposed during the French Revolution to settle a dispute between those proposing a shift to duodecimal and those who were content with decimal. Most widely used by modern civilizations Ī base-11 number system was attributed to the Māori ( New Zealand) in the 19th century and the Pangwa ( Tanzania) in the 20th century. Weeks timekeeping, Western music letter notationĬharles XII of Sweden, Unix-like permissions, Squawk codes, DEC PDP-11, compact notation for binary numbers, Xiantian ( I Ching, China)īase9 encoding compact notation for ternary tally marksĭiceware, Ndom, Kanum, and Proto-Uralic language (suspected) Gumatj, Ateso, Nunggubuyu, Kuurn Kopan Noot, and Saraveca languages common count grouping e.g. Baseĭigital computing, imperial and customary volume ( bushel- kenning- peck- gallon-pottle- quart- pint- cup- gill-jack- fluid ounce- tablespoon)Ĭantor set (all points in that can be represented in ternary with no 1s) counting Tasbih in Islam hand-foot-yard and teaspoon-tablespoon-shot measurement systems most economical integer baseĭata transmission, DNA bases and Hilbert curves Chumashan languages, and Kharosthi numerals There have been some proposals for standardisation. The common names are derived somewhat arbitrarily from a mix of Latin and Greek, in some cases including roots from both languages within a single name. In this clock, each column of LEDs shows a binary-coded decimal numeral of the traditional sexagesimal time. Standard positional numeral systems Ī binary clock might use LEDs to express binary values. Numeral systems are classified here as to whether they use positional notation (also known as place-value notation), and further categorized by radix or base. 2.2 Non-standard positional numeral systems.2.1 Standard positional numeral systems.This makes our cloud-based tools very secure. Our cloud-based online tools use HTTPS to encrypt your data sent to and downloaded from our cloud infrastructure, and only you have access to your data (unless you have chosen to share it). Sometimes however this is not optimal or possible for tools which for example require high processing power, display maps aware of your current location, or allow you to share data. We work hard to make our tools run locally on your device since avoiding sending data over the internet is more secure.
To achieve this we use HTML5 and WebAssembly, a form of code that is run by the browser itself allowing our tools to execute at near-native speed. All the work is done locally by the browser itself, making these tools very fast and secure. Our online tools which execute locally on your device don't need to send your data (your files, your audio or video data, etc.) over the internet.
Protecting your privacy is one of our main concerns when developing our tools.
We develop secure online tools that are cloud-based or that execute locally on your device.