### activity | procedure | calculation | differential:

Curvature
* Many curvatures continue to progress throughout life.
* is differential

Differential geometry
* crucial tool in modern physics.
* is the language of modern physics as well as an area of mathematical delight.
* is the study of curved surfaces and their higher-dimensional generalizations
  - geometry in terms of infinitesimals

Partial derivative
* have many applications in mathematics, physics, economics, etc.
* is differential

### activity | procedure | calculation:

Estimate
* Most estimates place the Earth's long-term capacity at four to sixteen billion.
* Some estimates suggest that one plant or animal endangered species becomes extinct every hour.
* are calculations
  - comparisons between integrals, our method of relating one to another
  - important both in computation and in measurement
  - judgment
  - respect
  - statements
* show that more than a million people worldwide have kidney failure.
* vary about the life span of a wolf.
+ Bicentenaria: Dinosaurs of South America :: Cretaceous dinosaurs :: Coelurosaurs
  * Basckin, Deborah. 2012. It contains only the type species, 'Bicentenaria argentina'. Estimates suggest that it was  in length.
+ List of Christian denominations by number of members, Largest denominations in the world: Religion-related lists
  * Estimates vary widely.
+ Sleepwalking: Sleep disorders
  * There is no data about how common sleepwalking is. Estimates say that that one to two percent of adults are sleepwalkers. Most cases of sleepwalking are temporary, they occur once, or only a few times.
+ Snow leopard, Life, Distribution: Felines :: Mammals of Asia
  * Its numbers are quite low, though difficult to estimate. Many estimates are rough and outdated. The total wild population of the Snow leopard was estimated in 2008 as 4,510 to 7,350 individuals.

### activity | procedure | calculation | estimate:

Capitalisation
* emerges from e-commerce in goods and services, among other things.
* is an estimate

### activity | procedure | calculation | estimate | capitalisation:

Market capitalization
* is capitalization
  - how much a company's stock is worth
* is the market value of a company's outstanding stock
  - product of stock price and number of shares issued by the company
  - share price times by the number of shares in issue
  - sum total of the individual values of a company's capital stock
  - total value of all the securities of a firm
* means the total market value of a company's outstanding common stock.
* refers to the total value the market puts on a company.
* represents the public opinion of the value of a company's equity.
* shows the public opinion of a company's value.
  * It is equal to the price of one share of stock, times the number of shares of stock in a public company. Owning stock in a company is owning a part of the company. Market capitalization shows the public opinion of a company's value.
+ Market capitalization, Valuation: Business :: Legal terms
  * Market capitalization represents the public opinion of the value of a company's equity. A public corporation, including all of its assets, may be bought and sold as stock. These purchases and sales will define the price of the company's share price. Market capitalization is the share price times by the number of shares in issue. This provides a total value for the company's shares and the value the company.

Capitalization
* helps in the refinement of searches for proper names.
* is an estimate
  - exploitation
  - selling
  - when the unpaid interest is added to the principal
  - writing

Conservative estimate
* claim over two million individuals suffer a traumatic brain injury each year.
* suggest that one-half to one percent of females in the U.S. develop anorexia.